Ex 7.3, 11
Last updated at Dec. 8, 2016 by Teachoo
Transcript
Ex 7.3, 11 cos42𝑥 cos42𝑥𝑑𝑥 = cos22𝑥2𝑑𝑥 = 1 + cos4𝑥22 = 14 1+ cos4𝑥2 = 14 12+ cos4𝑥2+2 cos4𝑥 1𝑑𝑥 = 14 1+ cos24𝑥+2 cos4𝑥𝑑𝑥 = 14 1+ cos 8𝑥 + 12+2 cos4𝑥𝑑𝑥 = 14 1𝑑𝑥+ 12 cos 8𝑥+1𝑑𝑥+2 cos4𝑥𝑑𝑥 = 14 1𝑑𝑥+ 12 cos8𝑥𝑑𝑥+ 12 1𝑑𝑥+2 cos4𝑥𝑑𝑥 = 14 𝑥+ 12 sin8𝑥8+ 12𝑥+2 sin4𝑥4+𝐶 = 14 𝑥+ 12 𝑥+ 116 sin8𝑥+ 12 sin4𝑥+𝐶 = 14 3𝑥2 + 116 sin8𝑥+ 12 sin4𝑥+𝐶 = 𝟑𝒙𝟖 + 𝟏𝟖 𝒔𝒊𝒏𝟒𝒙+ 𝟏𝟔𝟒 𝒔𝒊𝒏𝟖𝒙+𝑪
Ex 7.3
Ex 7.3, 1
Ex 7.3, 2
Ex 7.3, 3
Ex 7.3, 4
Ex 7.3, 5
Ex 7.3, 6 Important
Ex 7.3, 7
Ex 7.3, 8
Ex 7.3, 9
Ex 7.3, 10
Ex 7.3, 11 You are here
Ex 7.3, 12
Ex 7.3, 13 Important
Ex 7.3, 14
Ex 7.3, 15
Ex 7.3, 16
Ex 7.3, 17
Ex 7.3, 18 Important
Ex 7.3, 19
Ex 7.3, 20
Ex 7.3, 21
Ex 7.3, 22 Important
Ex 7.3, 23
Ex 7.3, 24 Important
About the Author
CA Maninder Singh
CA Maninder Singh is a Chartered Accountant for the past 8 years. He provides courses for Practical Accounts, Taxation and Efiling at teachoo.com .