Solved: In Exercises 1120, verify the identity. 11. sin t csc t = 1 12. sec y cos y = 1
Chapter 6, Problem 19(choose chapter or problem)
Verifying a Trigonometric Identity In Exercises 11-20, verify the identity.
\((1+\sin x)(1-\sin x)=\cos ^{2} x\)
Text Transcription:
(1 + sin x)(1 - sin x) = cos^2 x
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