Ex 7.3, 18 - Chapter 7 Class 12 Integrals (Term 2)

Last updated at Dec. 20, 2019 by Teachoo

Ex 7.3, 18 - Integrate cos 2x + 2 sin2 x / cos2 x dx - Ex 7.3

Transcript

Ex 7.3, 18 Integrate the function (cos⁡2𝑥 + 2 sin^2⁡𝑥)/cos^2⁡𝑥 𝑑𝑥 ∫1▒(cos⁡2𝑥 + 2 sin^2⁡𝑥)/cos^2⁡𝑥 𝑑𝑥 =∫1▒(𝟏 − 𝟐 〖𝒔𝒊𝒏〗^𝟐⁡𝒙 + 2 sin^2⁡𝑥)/cos^2⁡𝑥 𝑑𝑥 =∫1▒1/cos^2⁡𝑥 𝑑𝑥 =∫1▒sec^2⁡𝑥 𝑑𝑥 =𝐭𝐚𝐧⁡𝒙+𝑪 (cos⁡2𝑥=1−2 sin^2⁡𝑥)

Ex 7.3

Ex 7.3, 18 Important You are here

Ex 7.4 →

Chapter 7 Class 12 Integrals (Term 2)

Serial order wise

Ex 7.1
Ex 7.2
Ex 7.3
Ex 7.4
Ex 7.5
Ex 7.6
Ex 7.7
Ex 7.8
Ex 7.9
Ex 7.10
Ex 7.11
Examples
Miscellaneous

About the Author

Davneet Singh

Davneet Singh is a graduate from Indian Institute of Technology, Kanpur. He has been teaching from the past 10 years. He provides courses for Maths and Science at Teachoo.