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Cos38* Cos52* - Sin38* Sin52* = …

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Cos38* Cos52* - Sin38* Sin52* = 0

    • Posted by Vishnu Narayanan 5 years, 5 months ago

    CBSE > Class 10 > Mathematics
    • 2 answers

    Yogita Ingle 5 years, 5 months ago

     cos 38* cos 52* - sin 38* sin 52*

    = cos 38* cos ( 90* - 38* ) - sin 38* sin ( 90* - 38 * )

    = cos 38* sin 38* - sin 38* cos 38*

    = 0

    2Thank You

    Gaurav Seth 5 years, 5 months ago

    => cos 38* cos 52* - sin 38* sin 52*

    => cos 38* cos ( 90* - 38* ) - sin 38* sin ( 90* - 38 * )

    => cos 38* sin 38* - sin 38* cos 38*

    => 0

    1Thank You

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