SOLUTION: I have a hypotnuse of 7 and the opposite is 3.The adjacent is unknown.I know that you have to use sin, but I'm not quit sure how to solve for this.

SOLUTION: I have a hypotnuse of 7 and the opposite is 3.The adjacent is unknown.I know that you have to use sin, but I'm not quit sure how to solve for this.

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Question 314989: I have a hypotnuse of 7 and the opposite is 3.The adjacent is unknown.I know that you have to use sin, but I'm not quit sure how to solve for this.
Answer by scott8148(6628) (Show Source): You can put this solution on YOUR website!
it is a right triangle, and you know two sides ___ use Pythagoras

x^2 = 7^2 - 3^2
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