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4 April, 20:02

Use a special right triangle to write sin 30º as a simplified fraction.

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  1. 4 April, 22:22
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    This is a right angled triangle with hypotenuse length 2 and the legs are of length 1 and sqrt3.

    the 2 angles other than 90 degrtees are 30 and 60 degrees.

    The 30 degree angle is opposite the leg of length 1 so it's sine

    is opp/hyp = 1 / 2
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