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14-02-2017
Mathematics

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Please help... will give brainliest and 20 pts.
The angle θ lies in Quadrant IV .

sinθ=−2/3

What is cosθ ?

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14-02-2017

cos(360-θ) tan(360-θ) Day8. Value of tanθaround the unite circle. A pair (cosθ, sinθ) is a coordinates of a point on the unite circle.

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