If \(\rm I_n = \displaystyle\int_0^{\tfrac{\pi}{4}} \tan^n \theta \ d\theta \), then I8 + I6 equals:

If \(\rm I_n = \displaystyle\int_0^{\tfrac{\pi}{4}} \tan^n \theta \ d

1.	If \(\rm I_n = \displaystyle\int_0^{\tfrac{\pi}{4}} \tan^n \theta \ d\theta \), then I8 + I6 equals:
A.	\(\dfrac14\)
B.	\(\dfrac15\)
C.	\(\dfrac16\)
D.	\(\dfrac17\)
Answer» E.

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If \(\rm I_n = \displaystyle\int_0^{\tfrac{\pi}{4}} \tan^n \theta \ d\theta \), then I8 + I6 equals:

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