SOLUTION: How do i verify the identity of cos2A=cotA-tanA/cscAsecA
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Question 889157: How do i verify the identity of cos2A=cotA-tanA/cscAsecA
Answer by solver91311(24713) (Show Source): You can put this solution on YOUR website!
\left(\csc A\sec A\right)}{\csc A\sec A}\ =\ \cos^2 A\ -\ \sin^2 A\ =\ \cos 2A)
Therefore
John
My calculator said it, I believe it, that settles it
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