

MCQOPTIONS
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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∫π/2 f(x) dx = (π/4 + 8/15)? |
A. | (π/4 + 8/15) |
B. | (π/4 – 8/15) |
C. | (π/4 + 8/15) |
D. | (-π/4 + 8/15) |
Answer» D. | |