Solve the equation for exact solutions over the interval [0,2x). 2 sin2x + 4 sin

Question

Solve the equation for exact solutions over the interval [0,2x). 2 sin2x + 4 sinx+2-0 Select the correct choice below and,if necessary,illinl the answer box to complete your choice The solution set i 2 ook Type an exact answer, using z 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) B. The solution is the empty set. Is there another answer to this in the solution set? More Click to select and enter your answer(s) Write the expression as an algebraic (nontrigonometric) expression in u,u>0 cos (arctan u) u +1 cos (arctan u) u +1 (Simplity your answer, including any radicals. Use integers or fractions for any numb ook bers in the expression. Rationalize all denominators) Is this right? Enter your answer in the answer box

Explanation / Answer

For first problem, there is only one answer which is 3pi/2. Your answer is right.

For second problem, the answer is correct.

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