Talk:2070: Trig Identities
Revision as of 20:10, 9 November 2018 by 162.158.79.101 (talk)
I am confused by the insect line. This seems to be true only if s=t.
141.101.96.209 19:03, 9 November 2018 (UTC)
- That one and the `cas` aren't making any sense to me. GreatBigDot (talk) 20:02, 9 November 2018 (UTC)
- casθ= o/c is just cosθ= a/c with the o and a swapped like variables
