Please help me!! 1. If cos x = (√2)/2 and x is a fourth-quadrant angle, evaluate Tan x.

A) -1
B) 1
C) -(2 √2)/2

2. If cos x = (√2)/2 and x is a fourth-quadrant angle, evaluate Sin 2x.

A) -1
B) 1
C) -√2

3. If cos x = (√2)/2 and x is a fourth-quadrant angle, evaluate Cos 2x.

A) -1
B) 1
C) 0

4. If cos x = (√2)/2 and x is a fourth-quadrant angle, evaluate Tan 2x.

A) undefined
B) √2
C) 0