SOLUTION: Verify the identity. cot(x-pi/2)= -tanx

Algebra ->  Trigonometry-basics -> SOLUTION: Verify the identity. cot(x-pi/2)= -tanx      Log On


   

Question 1083666: Verify the identity.
cot(x-pi/2)= -tanx
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
Verify the identity.
cot(x-pi/2)= -tanx
-cot(pi/2 - x)= -tanx
-tan(x) = -tan(x)