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e Edit View History Bookmarks Window Help mathxl.com Math 104: Trigonometry MTWTH Spring 2018 Christopher Anderso Homework: Chapter 6 Homework: Trigonometric Equat Score: 0 of 1 pt 8 of 20 (16 complete) HV 6.1.97 Write the expression as an algebraic (nontrigonometric) expression in u, u>o. csc (arccos u) cse (arccos u)- (Simplify your answer,including any radicals. Use integers or fractions for any numbers in the expression. Rationalize all denominators.) Enter your answer in the answer box and then click Check Answer All parts showing Clear All V Question 16 (1/1) Question 19 (0/1) Question 17 (0/1) V Question 20 (1/1) Question 18(1Explanation / Answer
in this case let arc cosu=x
that means u=cosx
therefore cosec(arc cosu)= cosec(arc cos (cosx))= cosecx
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