Asked by Jill
How would I do this problem?
Verify that each equation is an identity.
cos^2x+tan^2xcos^2x=1
the ^2 is just saying squared.
ex.- cos^2x is cosine squared x
Verify that each equation is an identity.
cos^2x+tan^2xcos^2x=1
the ^2 is just saying squared.
ex.- cos^2x is cosine squared x
Answers
Answered by
MathMate
Expand tan(x) into sin(x)/cos(x) and use the identity
sin²(x)+cos²(x)=1.
Post if you need additional information.
sin²(x)+cos²(x)=1.
Post if you need additional information.
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