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OpenStudy (anonymous):
cos(theta)=4/5 where theta is in the IV quadrent. find the rest of the trig fuctions
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OpenStudy (anonymous):
make a triangle
OpenStudy (anonymous):
label the adjacent side 4 and the hypotenuse 5 |dw:1410278919782:dw|
OpenStudy (anonymous):
find the third side by pythangoras, or recalling the mother of all right triangles 3 - 4 - 5|dw:1410278975946:dw|
OpenStudy (anonymous):
now take any trig ration you like recalling that you are in quad 4 so sine is negative and cosine is positive etc
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