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Mathematics 10 Online
OpenStudy (anonymous):

if x lies in [3pi/2, 2pi] and tanx=-5/12, what does sinx and cosx equal? (in simplified fraction)

OpenStudy (anonymous):

hi. x is in the 4th quadrant. Have you drawn a triangle & used the pythagorean theorem to find the length of the 3rd side?

OpenStudy (anonymous):

no i am unsure how to set this up

OpenStudy (anonymous):

x is your angle. 5 and 12 represent sides of the triangle. Do you know which side tan uses out of opposite, adjacent, and hypotenuse?|dw:1450751849241:dw|

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