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OpenStudy (lovelyharmonics):
triangles
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OpenStudy (lovelyharmonics):
Find the exact values of sin A and cos A. Write fractions in lowest terms. A right triangle ABC is shown. Leg AC has length 33, leg BC has length 44, and hypotenuse AB has length 55.
OpenStudy (lovelyharmonics):
|dw:1399327922621:dw|
OpenStudy (lovelyharmonics):
just kidding sin is ops/hyp .-. so its 33/55 so its 3/5
OpenStudy (reemii):
the side opposite to 'a' is cb, with length 44.
OpenStudy (lovelyharmonics):
wait .-. but it dosent matter where they are all triangles have the same labels as hypotenuse opposite and adjacent
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OpenStudy (reemii):
i don't understand .. |dw:1399328322168:dw| sin(a) = 4/5.
OpenStudy (lovelyharmonics):
OpenStudy (lovelyharmonics):
|dw:1399328493729:dw|
OpenStudy (reemii):
yea.. i didn't try a right angle, but a smooth arc of circle.. the drawing tool isn't great.
OpenStudy (reemii):
|dw:1399328603655:dw|
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