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If f(x) = |(x,cos x,e^(x^(2))),(sin x,x^...

If `f(x) = |(x,cos x,e^(x^(2))),(sin x,x^(2),sec x),(tan x,1,2)|`, then the value of `int_(-pi//2)^(pi//2) f(x) dx` is equal to

A

0

B

`pi//2`

C

`pi`

D

none

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