Question

multiple choice!
In order for cos(x) =sin(x +h) h must equal
a) 60º
b) 45º
c) 120º
d) 90º

Answer 1

sin and cos are 90 degrees out of phase from each other.

Answer 2

i dont understand what that means what so ever...just tell me the answer please!

Answer 3

i just did :) I used the number in a sentence so that you could see it and everything :)

Answer 4

in order for cos and sin to be equal to each other, sin has to shift by 90 degrees.

Answer 5

OH i see..lol sorry

Answer 6

:) youll be fine :)