Question: Using the substitution u = 1 + tan x, find the exact value of 1 dx 0 cos' x + sin x cos xUse integration

xUse integration by parts to find 4 In(2x) dx 1 x giving

your answer in the form a + b In 2, where a

Using the substitution u = 1 + tan x, find the exact value of 1 dx 0 cos' x + sin x cos xUse integration by parts to find 4 In(2x) dx 1 x giving your answer in the form a + b In 2, where a and b are constants to be found

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