Solve Trigonometric Equations and Inequalities in Quadratic Form

Practice Questions

Pre-Calculus › Solve Trigonometric Equations and Inequalities in Quadratic Form

Questions

6

1

Solve $\sin^2(x) + 4 = 0$ for $0^{\circ}\leq x\leq 360^{\circ}$

2

Solve $\sin^2(x)-1 =0$ when $0^{\circ}\leq x \leq 360^{\circ}$

3

If $\theta$ exists in the domain from $\left[0,\frac{\pi}{2}\right]$ , solve the following: $0=1-\cos^2\theta$

4

Given that theta exists from $[0,2\pi]$ , solve: $2cos^2\theta=cos(\theta)$

5

Solve for $\theta$ in the equation $sin^2(\theta)-2sin(\theta)+1=0$ on the interval $0\leq\theta\leq2\pi$ .

6

Solve $\sin^2(x)-4 = 0$ when $0^{\circ}\leq x \leq 360^{\circ}$

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