Asked by Jill
Verify that each equation is an identity.
cos^2x+tan^2xcos^2x=1
cos^2x+tan^2xcos^2x=1
Answers
Answered by
Reiny
LS
= cos^2x + (sin^2x/cos^2x)(cos^2x)
= cos^2x + sin^2x
= 1
= RS
= cos^2x + (sin^2x/cos^2x)(cos^2x)
= cos^2x + sin^2x
= 1
= RS
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