Ex 7.1, 2 - Integrate cos 3x - Chapter 7 Class 12 CBSE - Ex 7.1

  1. Chapter 7 Class 12 Integrals
  2. Serial order wise

Transcript

Ex 7.1, 2 cos⁡3𝑥 We know that sin﷮3𝑥﷯﷯﷮′﷯=3 cos﷮3𝑥﷯ 1﷮3﷯ sin﷮3𝑥﷯﷯﷮′﷯= cos﷮3𝑥﷯ cos﷮3𝑥﷯= 1﷮3﷯ sin﷮3𝑥﷯﷯﷮′﷯ cos﷮3𝑥﷯= 1﷮3﷯ sin﷮3𝑥﷯﷯﷮′﷯ ⇒ Anti derivate of 𝑐𝑜𝑠﷮3𝑥﷯= 𝟏﷮𝟑﷯ 𝒔𝒊𝒏﷮𝟑𝒙﷯

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Davneet Singh is a graduate from Indian Institute of Technology, Kanpur. He has been teaching from the past 9 years. He provides courses for Maths and Science at Teachoo.