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20-07-2016
Mathematics

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

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meerkat18 meerkat18

20-07-2016

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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