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If sinA =4/5 , find the …

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If sinA =4/5 , find the value of cos2A.

    • Posted by Arpit Mishra 5 years, 10 months ago

    CBSE > Class 11 > Mathematics
    • 1 answers

    Madhav Garg 5 years, 10 months ago

    Cos2A=1-sin^2A, =1-(4/5)^2, =1-16/25 =25-16/25 =9/25

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