On a unit circle, what is cos Θ for coordinates ((√(2) )/(2) , (√(2) )/(2))? A) 0 B) 1 C) (√(2) )/(2) D) √(2)

Question

On a unit circle, what is cos Θ for coordinates
`((√(2) )/(2) , (√(2) )/(2))`?

A) 0

B) 1

C)
`(√(2) )/(2)`

D)
`√(2)`

Answer 1

c) square root of 2/2

Explanation:

CosΘ = x, so whatever your x coordinate is

(SinΘ = y, just so you know)

Answer 2

Answer: C

Explanation: