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evaluate cos^-1(3/5)+cos^-1(12/13)+cos^-1(63/65)=

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evaluate cos^-1(3/5)+cos^-1(12/13)+cos^-1(63/65)=

    • Posted by Shubham Vishwakarma 7 years, 2 months ago

    CBSE > Class 12 > Mathematics
    • 2 answers

    Rohan Kumar 7 years, 2 months ago

    ????

    0Thank You

    G K 7 years, 2 months ago

    In sbhi ko tan inverse M convert krlo.....then pahle 2 ko solve kro u will get...?tan^-1(63/16)?...jo third h vo tan^-1(16/63) h... then finally u get answer...?pi/2?...

    4Thank You

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