find the Sine and cosine of angle theta shown in the unit circle if coordinates of point P are as shown.
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According to the law of sines and cosines :
Step-by-step explanation:
The method of writing sine and cosine angle as X axis is cosine and The y axis is sine
So as the point is in second quadrant then the angle is 120°so thus cosine becomes (-1/2) and sine becomes (√3/2)..
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