Question 443659
find exact value of each trig function of &#952; cos&#952; =(4/5) and 270°<&#952;<360°
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This is a 3-4-5 right triangle in quadrant IV
cosx=4/5
sinx=-3/5
tanx=-3/4
secx=5/4
cscx=-5/3
cotx=-4/3