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OpenStudy (anonymous):
Find sin 2x, cos 2x, and tan 2x from the given information. tan x = (− 12/5), x in Quadrant II
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myininaya (myininaya):
find hyp=sqrt(opp^2+adj^2)
myininaya (myininaya):
\[\sin(2x)=2\sin(x)\cos(x)=2 \frac{opp}{hyp} \frac{adj}{hyp}\]
myininaya (myininaya):
|dw:1321816260211:dw|
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