Ex 7.3, 17 - Chapter 7 Class 12 Integrals
Last updated at Dec. 16, 2024 by Teachoo
Using Trignometric Formulaes
Last updated at Dec. 16, 2024 by Teachoo
Ex 7.3, 17 sin 3 + cos 3 sin 2 cos 2 sin 3 + cos 3 sin 2 cos 2 = sin 3 sin 2 cos 2 + cos 3 sin 2 cos 2 = sin cos 2 + cos sin 2 = sin . 1 cos + cos . 1 sin = tan . sec + cot . cosec = sec tan + cot cosec = sec + + = +