2010016808 | math4u.vsb.cz

SubArea:

Sine, cosine, tangent and cotangent

Level:

Project ID:

2010016808

Source Problem:

Accepted:

0

Clonable:

1

Easy:

0

Simplifying the expression

\cos 2 x + \sin 2 x \cdot tg x

for

x \in (0; \frac{π}{2})

we get:

1

\sin^{2} x

\cos^{2} x

2 \sin^{2} x