Raymond B. answered 11/29/20
Tutor
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Math, microeconomics or criminal justice
negative square root of 21/2
cscx = 1/sinx = 5/2 sinx =2/5, = opposite side over hypotenuse
cosx = sqr25-4/5= sqr21/5 equals adjacent side over hypotenuse
cotangent is adjacent side over opposite side or sqr21/2