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Solve it, 2tan^-1(cosx)=tan^-1(2cosecx)

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Solve it, 2tan^-1(cosx)=tan^-1(2cosecx)

    • Posted by Himanshu Meena 8 years, 1 month ago

    CBSE > Class 12 > Mathematics
    • 1 answers

    Ayush Balyan 8 years, 1 month ago

    tan^-1(2cosx/1-cos^2 x)=tan^-1(2cosecx) 2cosx/1-cos^2 x=2cosecx cosx/sin^2 x=1/six cosx/sinx=1 cotx=1 x=pi/4

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