Order the steps to solve a trig quadratic

Exercise and reference answers

Steps

1. Let u = sin x
2. 2u^2 - 3u + 1 = 0
3. (2u-1)(u-1) = 0
4. u = 1/2 or u = 1
5. Put sin x back in
6. Solve for x

Instructions

Tap the steps in the order a solver would use them.

Explanation