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PLEASE SOLVE ALL 8 QUESTIONS SHOWING STEP-BY-STEP SOLUTIONS. Solve for the unknown variable on the interval...

PLEASE SOLVE ALL 8 QUESTIONS SHOWING STEP-BY-STEP SOLUTIONS.

Solve for the unknown variable on the interval 0 is (less than or equal to) x (less than or equal to) 2pi.

1. 4 cos^2 x - 3 =0

2. Square root of 2 sin 2x = 1

3. 3cot^2 x-1 = 0

4. cos^3 x = cos x

5. sin x - 2sin x cos x = 0

6. 2sin^2 x- sin x-3 = 0

7. csc^2 x- csc x - 2= 0

8. cos^2 x = 1-sin x

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