Question 814420
Find csc(x) if cos= -3/4 and sin(x)<0
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Reference angle in quadrant III where sin and cos <0.
sin(x)=-&#8730;(1-cos^(x))=-&#8730;(1-9/16)=-&#8730;(7/16)=-&#8730;7/4
csc(x)=1/sin(x)=-4/&#8730;7=-4&#8730;7/7