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Find sin theta cos theta and theta

Mathematics
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If the coordinates of point A are (1/2, sqrt 3/2)

Nov 19th, 2014

In the unit circle centered at the origin in the x y plane the sine of any angle is the y coordinate of the point where the terminal side of the angle touches the circle so the sine of your angle is sqrt of 3 divided by2. The cosine is the x coordinate of the point so the cosine is 1/2. The angle whose sine and cosine match those is 60 degrees.

Nov 19th, 2014

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Nov 19th, 2014
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Nov 19th, 2014
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