04-29-2012, 07:06 PM

Verify Each Trigonometric Identity

1.

(sec x/sin x) - (sin x/cos x) = cot x

2.

sin (360° + x) = sin x

3.

(cos x) - (cos x/1 - tan x) = (sinxcosx/sin x - cos x)

Solve Each Trigonometric Equation

4.

tan 2x - √3 = 0

5.

4cos² x - 3 = 0

Can anyone help with these?

1.

(sec x/sin x) - (sin x/cos x) = cot x

2.

sin (360° + x) = sin x

3.

(cos x) - (cos x/1 - tan x) = (sinxcosx/sin x - cos x)

Solve Each Trigonometric Equation

4.

tan 2x - √3 = 0

5.

4cos² x - 3 = 0

Can anyone help with these?