I've narrowed down this problem to: Prove the following... Tan(A)/Cot(A) = Sec(A)/Cos(A)
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Originally Posted by alexcross I've narrowed down this problem to: Prove the following... Tan(A)/Cot(A) = Sec(A)/Cos(A) This is not an identity. It is easily shown to not be true for all values of A.
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