Quadratic Formula with Trigonometry

Practice Questions

Trigonometry › Quadratic Formula with Trigonometry

Page 1 of 3

10 of 28

1

Solve the following equation for $0\leq x<2\pi$ .

$3\sin x=\cos 2x$

2

$2\sin^2(x)+5\sin(x)+2=0$

What are the zeros of the function listed above for the interval $[0,2\pi]$ .

3

Solve the following trigonometric equation:

$cos^{2}(x)+cos(x)-2=0$

for $x\in [0,\frac{\pi}{2}]$

4

Solve each equation over the domain (answer in degrees).

5

Solve the equation over the interval $0 < x < 2\pi$

6

Solve for , giving your answer as a positive angle measure:

7

Solve for :

.

Give your answer as a positive angle measure.

8

Solve for $\theta$ : $2 \sin ^2 (3 \theta ) = 1$

9

Solve for $\theta$ : $4 \sin ^2( \theta + \frac{ \pi }{3 }) + 2 = 5$

10

Solve for $\theta$ : $4 \cos ^2 \theta - 4 \cos \theta - 3 = 0$

Page 1 of 3

Return to subject