Question: 1. Evaluate the following indefinite integrals: (1) S [Inx] dx (ii) 1 dx csc 2x -cot 2x 2. Evaluate the following definite integrals: 1/4 1

 1. Evaluate the following indefinite integrals: (1) S [Inx] dx (ii)
1 dx csc 2x -cot 2x 2. Evaluate the following definite integrals:

1. Evaluate the following indefinite integrals: (1) S [Inx] dx (ii) 1 dx csc 2x -cot 2x 2. Evaluate the following definite integrals: 1/4 1 dx 2 + tan x 3. (i) Using the reduction formula, show that if I,= ] x"cos xdx, then [ x" cos x dx=(x'sin x + rx"-cos x-n(n-1) I,_26 (ii) Hence evaluate [ x) cos x dx

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