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Prove that cos inverse 4/3 + …

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Prove that cos inverse 4/3 + sin inverse 3/√34 + tan inverse 8/19 = π/4

    • Posted by Ankur Jha 7 years, 3 months ago

    CBSE > Class 12 > Mathematics
    • 1 answers

    Tanveer Raza 7 years, 3 months ago

    Considering arccos(4/3)=x Cos x = 4/3 But value of cos fn can only lie between -1 and 1 Therefore arccos(4/3) is irrelevant so as the question.

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