SOLUTION: May you help me find the answer If tan(&#952;)= -3/4 and sin(&#952;) <0, find cos(&#952;)

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Question 515788: May you help me find the answer
If tan(θ)= -3/4 and sin(θ) <0, find cos(θ)

Answer by lwsshak3(11628) About Me  (Show Source):
You can put this solution on YOUR website!
If tan(θ)= -3/4 and sin(θ) <0, find cos(θ)
tan and sin functions both<0 only in quadrant IV where cos>0
By Pythagorean Theorem, hypotenuse=5
cos θ=4/5