# Trigonometry

posted by
**-** on
.

Solve for x:

1. 2sin(2x)+cos(x)=0

2. cos(2x)=-2sin(x)

3. tan(x)=2sin(x)

posted by
**-** on
.

Solve for x:

1. 2sin(2x)+cos(x)=0

2. cos(2x)=-2sin(x)

3. tan(x)=2sin(x)