In Exercises 2738, verify the identity. 27. cos x(tan2 x + 1) = sec x
Chapter 6, Problem 27(choose chapter or problem)
In Exercises 27–38, verify the identity.
\(\cos x\left(\tan ^{2} x+1\right)=\sec x\)
Text Transcription:
cos x(tan^2 x + 1) = sec x
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