2010010701 | math4u.vsb.cz

SubArea:

Trigonometric equations and inequalities

Level:

Project ID:

2010010701

Source Problem:

Accepted:

0

Clonable:

1

Easy:

1

The solution set of the equation

\cos x = - 0.5

for

x \in [0; 2 π]

is:

{\frac{2 π}{3}; \frac{4 π}{3}}

{\frac{2 π}{3}; \frac{5 π}{3}}

{\frac{4 π}{3}; \frac{5 π}{3}}

{\frac{4 π}{3}; \frac{7 π}{3}}