SOLUTION: How do you figure out sin=4/5,cos<0

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Question 671963: How do you figure out sin=4/5,cos<0
Answer by lwsshak3(11628) About Me  (Show Source):
You can put this solution on YOUR website!
How do you figure out sin=4/5,cos<0
If cos<0, then sin=4/5 must be in quadrant II where cos<0 and sin>0
sin x=4/5
x≈126.88º