SOLUTION: I am having trouble proving the identity:
cos^2(theta) =Cot^2/ 1+cot^2(theta)
I thought of getting into csc^2 but not sure what to do with it.
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Question 644726: I am having trouble proving the identity:
cos^2(theta) =Cot^2/ 1+cot^2(theta)
I thought of getting into csc^2 but not sure what to do with it.
Answer by reviewermath(1029) (Show Source): You can put this solution on YOUR website!
Use the identity: cotē θ + 1 = cscēθ
The right side becomes
(cscēθ - 1)/(cscēθ) = 1 - (1/cscēθ)
= 1 - sinēθ
= cosē θ
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