SOLUTION: how to find the exact value of sin 225
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Question 236338: how to find the exact value of sin 225
Answer by nerdybill(7384) (Show Source): You can put this solution on YOUR website!
how to find the exact value of sin 225
.
Looking at the unit circle
sin(225)
is in the third quadrant
225 - 180 = 45
sin(45) mapped to the third quadrant is
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