2010016801 | math4u.vsb.cz

SubArea:

Sine, cosine, tangent and cotangent

Level:

Project ID:

2010016801

Source Problem:

Accepted:

0

Clonable:

1

Easy:

1

To which quadrant does the angle

φ

belong if

\cos φ = 0.8

and

\sin φ < 0

?

IV.

I.

II.

III.