4 years ago

How do you do this question?

Mathematics

1 answer:

OLEGan [10]4 years ago

7 0

Step-by-step explanation:

∫ dt / (cos²(t) ⁹√(1 + tan(t)))

If u = 1 + tan(t), then du = sec²(t) dt.

∫ du / ⁹√u

∫ u^(-1/9) du

9/8 u^(8/9) + C

9/8 (1 + tan(t))^(8/9) + C

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Consider the below figure attached with this question.

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The perimeter of the polygon UVWXYZ.

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