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Cos 25

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Cos 25

    • Posted by Subham Yadav 6 years, 2 months ago

    CBSE > Class 12 > Mathematics
    • 2 answers

    Sia ? 6 years, 2 months ago

    {tex}\cos ( 25 ) = 0.90630778724736{/tex}

    0Thank You

    Rajat Barwar 6 years, 2 months ago

    Are bro first calculate cos(75) by cos(30+45), then by solving the formula of cos3x solve for cos25. Hope it may help you.

    2Thank You

    ANSWER
    http://mycbseguide.com/examin8/

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