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Cos2x formula

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Cos2x formula

    • Posted by Anju Maurya 7 years, 6 months ago

    CBSE > Class 12 > Mathematics
    • 1 answers

    Khushi Khatri 7 years, 6 months ago

    Cos^2x-sin^2x,2cos^2x-1,1-2sin^2x

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