Differentiate tan inverse cos x/1+sinx with respect to x
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plz refer to the attachment (◔‿◔)
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Answer:
tan−1(1+cosxsinx)tan−1(1+cosxsinx)
=tan−1(1+2cos2x2−12sinx2cosx2)=tan−1(1+2cos2x2−12sinx2cosx2)
=tan−1(2cos2x22sinx2cosx2)=tan−1(2cos2x22sinx2cosx2)
=tan−1(cosx2sinx2)=tan−1(cosx2sinx2)
=tan−1(cotx2)=tan−1(cotx2)
=tan−1(tan(π2−x2))=tan−1(tan(π2−x2))
=π2−x2
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