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25 August, 20:10

What is the value ofcos pie value

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  1. 25 August, 22:45
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    Cos (pi) = - 1

    You should have this memorized along with other values such as

    sin (0) = 0

    cos (0) = 1

    sin (pi/2) = 1

    cos (pi/2) = 0

    sin (pi) = 0

    cos (pi) = - 1

    sin (3pi/2) = - 1

    cos (3pi/2) = 0

    and remember that tan = sin/cos
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