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3 April, 10:31

Trigonometry

Reference Angles and Triangles

The value of Sin 420 * is equal to?

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Answers (1)
  1. 3 April, 12:07
    0
    sqrt (3) / 2

    Step-by-step explanation:

    sin (420) = sin (420-360)

    = sin (60) = sqrt (3) / 2

    sqrt: square root
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