antities Prove the given identity sin xsec x cos xcsc x sec xcsc x Choose the correct proof below OA sin xsec x cos xcsc x sin X cos x sin x cos x cos2x sinx cos sin x cos x sec Xcsc X OC sin xsec x cos xcsc x 1 sin x cos x sin x cos x cos x sin 2x cos2x x sin x cos x 1 sec Xcsc X sin x Question 7 of 10 This quiz 20 point s poss This question 2 point s pr OB sin xsec x cos xcsc x sin X cos X 2 sin x cos x sin x cos x 1 sin x cos x sec Xcsc X OD sin xsec x cos xcsc x sin x 2 sin x cos sin xcos X 1 cos x cos X cos2 sin x cos X sec xcsc x 1 sin x