Question

how do we solve integration sums in easy way ?



pls this request any tricks​

Answer 1

Answer:

= By substitution, u = tan, the first part can be easily solved,

=13tan3θ

= The second integral can be solved by =∫(sec2θ−1)dθ=tanθ−θ+C.

=Hence, I=13tan3θ−tanθ−θ+C.

Answer 2

Step-by-step explanation:

Questions to be Solved on Methods of Integration-

• = By substitution, u = tan, the first part can be easily solved,
• =13tan3θ
• = The second integral can be solved by =∫(sec2θ−1)dθ=tanθ−θ+C.
• =Hence, I=13tan3θ−tanθ−θ+C.