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If f(x) = |(sin x + sin 2x + sin 3x, sin...

If `f(x) = |(sin x + sin 2x + sin 3x, sin 2x , sin 3x),(3 + 4 sin x, 3, 4 sin x),(1 + sin x, sin x, 1)|` then the value of `int_0^(-pi//2) f(x) dx` equals :

A

0

B

`1/3`

C

`2/3`

D

`3`

Text Solution

Verified by Experts

The correct Answer is:
B
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