Mat 172 trig identities - Study guides, Class notes & Summaries
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MAT 172 Trig Identities Question and answers 100% correct 2024/2025
- Exam (elaborations) • 2 pages • 2024
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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 -
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