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tan -1(π/4 - 1/2 cos-1a/b ) …

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tan -1(π/4 - 1/2 cos-1a/b ) + tan -1(π/4 +1/2 cos-1a/b )=2b/a

    • Posted by Prashant Singh Tomar 6 years, 5 months ago

    CBSE > Class 12 > Mathematics
    • 1 answers

    Dolly ?️ 6 years, 5 months ago

    Bhai your question is wrong bcz it is There is tan( ) in place of tan-1( )

    0Thank You

    ANSWER
    http://mycbseguide.com/examin8/

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