Question
In Exercises $27-80,$ verify the given identities.$$\sin ^{2} x \sec x=\sec x-\cos x$$
Step 1
Step 1: We start with the left side of the equation and use the Pythagorean identity $\sin^2x = 1 - \cos^2x$: $$\sin ^{2} x \sec x = (1 - \cos^2x) \sec x$$ Show more…
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