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17 January, 11:55

Find the value of sin210°

How do you find this?

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  1. 17 January, 12:35
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    Find the value using the definition of sine.

    sine (210 degrees) = opp/hyp

    Substitute the values into the definition.

    sin (210 degrees) = - 1/2 / 1

    Simplify the result.

    Multiply the numerator by the reciprocal of the denominator.

    -1/2.1

    Multiply - 1 by 1 to get - 1

    -1/2
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