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Q1

C mathxl.com/Student/PlayerTest.aspx?testld=2 Summer 2021 Precalculus II Trigonometry (section 5880) = Test: Test 2 Complete the identity. ( sinx + cos x) 1 + 2 sin x cos x =? O A. 1 O B. - sec -x OC. O O D. 1- sin xSolve the equation on the interval [0, 2). 2 sin 20 -3 sin 0 + 1 =0 What is the solution in the interval [0, 2x)? Select the correct choice and fill in any answer boxes in your choice below. O A. 0= (Simplify your answer. Type an exact answer, using it as needed. Type your answer in radians. Use integers or fractions for any numbers in the expression. Use a comma to separate answers as needed.) O B. There is no solution.Test: Test 2 Complete the identity. tan x(cot x - cos x) = ? OA. O O B. 1 - sin x O C. 1 O D. - sec -x