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Formula of cos2x

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Formula of cos2x

    • Posted by Akshansh Sood 7 years ago

    CBSE > Class 12 > Mathematics
    • 2 answers

    Chandra Sree Gandhavarapu 7 years ago

    cosx^2-sinx^2 , 1-2(sinx)^2 , 2(cosx)^2-1 , 1-(tanx)^2/1+(tanx)^2

    1Thank You

    Yuvraj Sharma 7 years ago

    1)cos^2x-sin^2x 2)2cos^2x-1 3)1-2sin^2x 4)1-tan^2x/1+tan^2x

    1Thank You

    ANSWER
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