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Mathematics 16 Online
OpenStudy (anonymous):

cos x= 12/13 [3pi/2, 2pi] find sin x= and tan x=

OpenStudy (freckles):

draw a right triangle in the 4th quadrant

OpenStudy (freckles):

|dw:1413344556501:dw|

OpenStudy (freckles):

Find the opposite of angle theta

OpenStudy (freckles):

opposite side*

OpenStudy (freckles):

by the way I called x theta here

OpenStudy (anonymous):

ok

OpenStudy (anonymous):

so 5?

OpenStudy (anonymous):

and then from there find the sin and tan right?

OpenStudy (freckles):

I would make it -5 since the point there is (12,-5)|dw:1413344711628:dw|

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