Find the value of cos x if the value of sin x=3/5 and x is acute angle

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Find the value of cos x if the value of sin x=3/5 and x is acute angle

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    2021-09-09T01:18:33+00:00

    sin = opposite / hypotenuse
    cos = adjacent / hypotenuse

    using pythagoras theorem =

    adjacent = 5^2-3^2
    = 16
    = square root 16
    =4

    cos x = 4/5

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