Csc a - sin a = cos a cot a
1/sin a - sin a = cos a (cos a / sin a)
(1 - sin^2 a)/sin a = cos^2 a/sin a
cos^2 a/sin a = cos^2 a/sin a
Therefore, the given equation is an identity.
Well, you have to simplify the bottom part to be able to answer it as a whole number. Hope this helps.
Answer:
2
Step-by-step explanation:
Answer:
Step-by-step explanation:
-1, 3
I think that the answer is A.