Question

Which of the following are trigonometric identities? Check all that apply.
A.
cscx - sinx
= cos x
CSC X
B. tanx cosx CSCX = 1
sin(x + y)
C. 1+cot x tan y =
sin x cos y
O D. 4cosx sinx = 2cosx + 1 - 2 sinx

Answer 1

Answer:

C and D is correct

That's what I think though