Mat 172 trig identities - Study guides, Class notes & Summaries

MAT 172 Trig Identities Question and answers 100% correct 2024/2025 MAT 172 Trig Identities Pythagorean Identity: Sine and Cosine - correct answer sin^2θ+cos^2θ=1 1-cos^θ=sin^2θ 1-sin^2θ=cos^2θ Pythagorean Identity: Cosecant and Cotangent - correct answer csc^2θ-cot^2θ=1 csc^2θ-1=cot^2θ cot^2θ+1=csc^2θ Pythagorean Identity: Secant and Tangent - correct answer sec^2θ-tan^2θ=1 sec^2θ-1=tan^2θ 1+tan^2θ=sec^2θ Sum Identities: Cosine -