2010010705 | math4u.vsb.cz

SubArea:

Trigonometric equations and inequalities

Level:

Project ID:

2010010705

Source Problem:

Accepted:

0

Clonable:

1

Easy:

1

The solution set of the equation

\cos (2 φ + \frac{π}{6}) = - 1

for

φ \in [0; 2 π]

is:

{\frac{5 π}{12}; \frac{17 π}{12}}

{\frac{5 π}{12}; \frac{11 π}{12}}

{\frac{7 π}{12}; \frac{13 π}{12}}

{\frac{7 π}{12}; \frac{17 π}{12}}