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Differentiate tan inverse 1+cos x upon …

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Differentiate tan inverse 1+cos x upon sin x

    • Posted by Vrinda Murarka 6 years, 7 months ago

    CBSE > Class 12 > Mathematics
    • 1 answers

    Suhani Rana? 6 years, 7 months ago

    Take 1+cosx as 2cos^2x/2 and sinx as 2sinx/2cosx/2 now on solving you get tan^-(cotx/2) and then replace cot by tan(π/2+x/2) so now tan^-1 get cancelled with tan and you get π/2+x/2 now simply differentiate it and you got your answer as -1/2

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