Question

is the trigonometric ratio of cos225degrees 1? (im in the unit circle)

Answer 1

no.... cos (225 degrees) is NOT 1

Answer 2

since you're on the unit circle.... look at the x-coordinate of 225 degrees...

Answer 3

cos (225 degrees) = the x-coordinate of the point on the unit circle.

Answer 4

im confused though, because if its a right triangle, and the reference angle is 45 degrees, then the opposite angle is also 45 degrees, making it a 45-45-90 triangle and the two legs' side lengths are the same so they would both be