Use trigonometric identities to write cscx in terms of cos x. Choose the correct expression equal to csc x. A. csc x= ± √√1- cos²x B. csc X= +√√1- cos x 1+ cos²x OC. csc x=- OD. csc x=- √1-cos²x cos²x √/1. cos"X 2 1- cos x

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