2010016803 | math4u.vsb.cz

SubArea:

Sine, cosine, tangent and cotangent

Level:

Project ID:

2010016803

Source Problem:

Accepted:

0

Clonable:

1

Easy:

1

The value of

\cos (- \frac{28 π}{3})

is the same as the value of

\cos \frac{4 π}{3}

.

\cos \frac{π}{3}

.

\cos (- \frac{7 π}{3})

.

\cos \frac{5 π}{3}

.