Question
Question: The number of critical points of f (x) = max (sin x, cos x) for x ∈ (0, 2π)...
The number of critical points of f (x) = max (sin x, cos x) for x ∈ (0, 2π)
A
2
B
5
C
3
D
None
Answer
3
Explanation
Solution
Clearly A, B and C are the critical points
