Project ID:
7100020182
Accepted:
Type:
Layout:
Question:
Match each inequality with the set of all its solutions lying in the interval $[ 0,2\pi ]$.
Question 1:
$\sin x \geq 0$
Answer 1:
$[ 0,\pi ]$
Question 2:
$\sin^2 x \geq 0$
Answer 2:
$[ 0,2\pi ]$
Question 3:
$\sin x \leq -1$
Answer 3:
$\left\{\frac{3\pi}{2} \right\}$
Question 4:
$\sin x \geq 1$
Answer 4:
$\left\{\frac{\pi}{2} \right\}$
Question 5:
$\sin^2 x \geq 1$
Answer 5:
$\left\{\frac{\pi}{2},\frac{3\pi}{2} \right\}$
Question 6:
$\cos x \leq 0$
Answer 6:
$[ \frac{\pi}{2}, \frac{3\pi}{2}]$
Question 7:
$\cos^2 x \geq 1$
Answer 7:
$\{0, \pi, 2\pi\}$
Question 8:
$\cos x \leq -1$
Answer 8:
$\{\pi\}$
Question 9:
$\cos^2 x \leq -1$
Answer 9:
$\emptyset$