Categories Math Analysis Pre-Calculus Proofs Proving Identities Trigonometry Proving Trig Identities: Some Strategies Post author By tamethemathdemonadmin Post date July 6, 2020 No Comments on Proving Trig Identities: Some Strategies Assuming you know the basics (tan=sin/cos, etc), here are strategies and examples for proving simple trig identities. Tags Trigonometry