Wednesday, May 29, 2013

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


%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


:)

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