Find the sines and cosines of all angles in the first four quadrants w – InterviewSolution

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1.	Find the sines and cosines of all angles in the first four quadrants whose tangents are equal to `cos 135^@`
Answer» `cos135=-1/sqrt2` `tanp=-1/sqrt2` `sinp=1/sqrt2`(in second quater) `=-1/sqrt2`( in fourth quater) `cos(P)=-1/sqrt2`(in second quadrent) `=1/sqrt2`( in fourth quadrent).

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