cies Prove the given identity sin xsec x cos x csc x sec xcsc x Choose the correct proof below A sin xsec x cos xcsc x 1 sin x cOS X sin x cos x 2 x cos X 2 sin sin x cos x 1 sec x csc x OC sin xsec x cos xcsc x sin x 1 cos x COS X sin x cos x 2 sin x cos sin x cos x 1 sec x csc X X sin x Question 7 of 10 OB sin xsec x cos xcsc x 1 sin x cOS X sin x cos 2 sin x cos x 1 sin x cos x sec x csc X This quiz 20 poin This question 2 OD sin xsec x cos xcsc x 1 sin x COS X X cos X sin x cos x sin x cos x 1 sin x cos x sec x csc X 1 sin