2010012005 | math4u.vsb.cz

SubArea:

Trigonometric equations and inequalities

Level:

Project ID:

2010012005

Source Problem:

Accepted:

0

Clonable:

1

Easy:

0

The arithmetic mean of all values of

φ

between

0^{\circ}

and

360^{\circ}

for which

\sin (φ - 40^{\circ}) = 0

is:

130^{\circ}

220^{\circ}

40^{\circ}

180^{\circ}