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Sin (7 pi/6) = ____?? Help

Sin (7 pi/6) = ____?? Help-example-1

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Answer:

-0.5 or -1/2 or A

Explanation:

180 degrees is Pi radians. To find out what the measure is in the paranthesees, divide 180 by 6 and get 30. Now multiply it by 7 to get 210. The question is asking for the sin(210). The sin of 210 is -0.5

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