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Solve for sinx : square root(1-sinx)=1/2.
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First, we'll have to raise to square both sides, to eliminate the square root:
1 - sin x = 1/4
We'll shift 1 to the right side:
-sin x = 1/4 - 1
-sin x = -3/4
sin x = 3/4
Since the value of sin x is smaller than 1, therefore it is accepted.
The requested value of sin x is: sin x = 3/4.
Posted by giorgiana1976 on June 14, 2011 at 11:12 PM (Answer #1)
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