Question

Please solve this question {multi correct}
If f(x) = (sin²x - 1)∧n (2+cos²x) , then x= π/2 is a point of
A] local maximum, if n is odd
B] local minimum, if n is odd
C] local maximum, if n is even
D] local minimum, if n is even

Answer 1

Answer:

I think answer is E] okay