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15 November, 10:41

What are the sine, cosine, and tangent of 7 pi over 4 radians?

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  1. 15 November, 13:34
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    Sin (7π/4) = sin (315)

    sin (7π/4) = - √ (2) / 2

    cos (7π/4) = cos (315)

    cos (7π/4) = √ (2) / 2

    tan (7π/4) = tan (315)

    tan (7π/4) = - 1
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