A. - + B. - C. - D. +
Answer: B
Verify the identity.cos = -sin x
What will be an ideal response?
Verify the identity.sin = (sin ? - cos ?)
Divide and simplify.30 ÷
A. B. 150C. 6D.
Given find:
?f / ?y
- 
+ 
- 
- 
+ 
- + - - + 
= -sin x
= 
(sin ? - cos ?)
find: