2070: Trig Identities

cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap cr​ap .;,'"?!