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2 October, 09:24

Find the exact value of sin (-270 degrees).

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  1. 2 October, 10:59
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    The exact value of sin (-270) is determined using the calculator in degrees mode. The answer is equal to 1. If the radians mode is used, - 270 is equal to - 2 pi/3. Hence using the calculator, we can verify that the answer is still 1. The value of - 270 matters.
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