Talk:2070: Trig Identities
Revision as of 19:03, 9 November 2018 by 141.101.96.209 (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)
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)