SOLUTION: Verify the basic identity. What is the domain of validity? cotθ = cosθcscθ

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Question 753681: Verify the basic identity. What is the domain of validity?
cotθ = cosθcscθ
Answer by tommyt3rd(5050) About Me  (Show Source):
You can put this solution on YOUR website!
%0D%0Acot%28theta%29=cos%28theta%29%2Fsin%28theta%29=cos%28theta%29csc%28theta%29%0D%0A



and it has the domain


%0D%0A0%3C=theta%3C%2Bpi%0D%0A


:)