1003085901 | math4u.vsb.cz

SubArea:

Trigonometric equations and inequalities

Level:

Project ID:

1003085901

Accepted:

1

Clonable:

0

Easy:

0

The solution set of the inequality

\cos^{2} x \leq 0.25

for

x \in [0; 2 π]

is:

[\frac{π}{3}; \frac{2 π}{3}] \cup [\frac{4 π}{3}; \frac{5 π}{3}]

[\frac{π}{3}; \frac{5 π}{3}]

[0; \frac{2 π}{3}]

[0; \frac{5 π}{3}]