Help ASAP I WILL GIVE BRAINEST!!!
Select all true statements . (remember the reference angle is the perspective from which the question or you are looking)
A. In a right triangle any angle can be used as the reference angle for sin/cos/tan
B. In a right triangle only the two acute angles can be used as the reference angle for sin/c cos/tan
C. In a right triangle the right angle can be used as the reference angle for sin/cos/tan
D. in any triangle any angle can be used as the reference angle for sin/cos/tan
