Ex 7.2, 27 - Chapter 7 Class 12 Integrals
Last updated at April 16, 2024 by Teachoo
Integration by substitution - Trignometric - Normal
Example 5 (i)
Ex 7.2, 22 Important
Misc 15
Example 35
Ex 7.2, 27 You are here
Ex 7.2, 31
Ex 7.2, 30
Ex 7.2, 26 Important
Ex 7.2, 24
Example 6 (i)
Ex 7.2, 29 Important
Ex 7.2, 21
Ex 7.2, 34 Important
Ex 7.2, 39 (MCQ) Important
Ex 7.2, 25
Ex 7.2, 32 Important
Ex 7.2, 33 Important
Misc 7 Important
Integration by substitution - Trignometric - Normal
Last updated at April 16, 2024 by Teachoo
Ex 7.2, 27 2 cos 2 Step 1: Let sin 2 = Differentiating both sides . . . cos 2 . 2 = cos 2 . 2= 2 cos 2 = 2 cos 2 . = = 2 cos 2 Step 2: Integrating the function 2 cos 2 . putting 2 = & = 2 cos 2 = cos 2 . 2 cos 2 = 2 . = 1 2 . = 1 2 1 2 = 1 2 . 1 2 + 1 1 2 + 1 + = 1 2 3 2 3 2 + = 1 3 3 2 + = +