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Answer to Question #23244 in Trigonometry for Justin

Question #23244
Given cscθ = 3, find cos(θ).
Expert's answer
3=csc x =1/sin x
sin x = 1/3
cos^2( x ) = 1- 1/9 = 8 / 9

cos x= 2*sqrt(2) /3
or
cos x= -2*sqrt(2) /3

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