Question

What is the y-value for f(x) = cos(x) when x = 180°? Is it 0 since sin=y?

Answer 1

Given
y=sin x
Right?

Answer 2

x=180, y=sin 180=?

Answer 3

So 0 would be correct?

Answer 4

y=sin(2*90+0)
y=-sin 0
y=?

Answer 5

0, alright then.

Answer 6

Ya

Answer 7

Glad to help u!!!!