In Exercises 4960, verify the identity algebraically. Use a graphing utility to check

Chapter 6, Problem 49

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Verifying a Trigonometric Identity In Exercises 49-60, verify the identity algebraically. Use a graphing utility to check your result graphically.

\(2 \sec ^{2} x-2 \sec ^{2} x \sin ^{2} x-\sin ^{2} x-\cos ^{2} x=1\)

Text Transcription:

2 sec^2 x - 2 sec^2 x sin^2 x - sin^2 x - cos^2 x = 1

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