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28-08-2018
Mathematics

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If cos theta = -2/5 and tan theta > 0, what is the value of sin theta?

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28-08-2018

Because tan theta > 0 and cos theta is negative this angle is in the third quadrant.

angle whose cos is 2/5 is 66.42 degrees

The required angle is 180 + 66.42 = 246.42 degrees answer.

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