Question
Question: If y = sin<sup>–1</sup>\(\frac{x}{2}\) + cos<sup>–1</sup>\(\frac{x}{2}\) then \(\frac{dy}{dx}\) is...
If y = sin–12x + cos–12x then dxdy is
A
0
B
1−x22
C
2π
D
None of these
Answer
0
Explanation
Solution
f(x) = sin–12x + cos–12x = 2π
f ′(x) = 0