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Mathematics 13 Online
OpenStudy (anonymous):

@SolomonZelman

OpenStudy (anonymous):

ok find the exact value for cos2x sinx=7/25, x lies in the I quadrant

OpenStudy (anonymous):

answers a -527/625 b 336/625 c 21/25 d 527/625

OpenStudy (solomonzelman):

|dw:1383091835049:dw|

OpenStudy (anonymous):

24

OpenStudy (solomonzelman):

yep!

OpenStudy (solomonzelman):

Cosinex= adjacent/hypotenuse plug in your numbers to find the Cosx

OpenStudy (anonymous):

24/25=576/625

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