If f(x) = ( begin{vmatrix}sec x & cos x & sec^2 x + cot x , cosec – McqOptions

MCQOPTIONS

1.	If f(x) = ( begin{vmatrix}sec x & cos x & sec^2 x + cot x , cosec x cos^2 x & cos^2 x & cosec^2 x 1 & cos^2 x & cos^2 x end {vmatrix} ) then what is the value of ₀ ^/2 f(x) dx = ( /4 + 8/15)?
A.	( /4 + 8/15)
B.	( /4 8/15)
C.	( /4 + 8/15)
D.	(- /4 + 8/15)
Answer» D. (- /4 + 8/15)

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