SOLUTION: For all the values of theta for which the expressions are defined, prove the following is an identity: (cos theta sin theta+cos theta)/cos^2theta=tan theta +sec theta
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Question 1024158: For all the values of theta for which the expressions are defined, prove the following is an identity: (cos theta sin theta+cos theta)/cos^2theta=tan theta +sec theta
I don't quite understand how to prove it is an identity.
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!
Prove that you can go from the left side and derive the right side or vice versa.
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True for all values of theta, so the original statement is also true for all values of theta.
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