Using Trignometric Formulaes
Last updated at April 16, 2024 by Teachoo
Example 3 Find the following integrals: (i) ∫▒(sinx+cosx ) dx ∫▒(sin𝑥+cos𝑥 ) 𝑑𝑥 =∫1▒(sin𝑥 ) 𝑑𝑥+∫1▒〖〖(cos〗𝑥) 〗 𝑑𝑥 =−𝐜𝐨𝐬𝒙+𝐬𝐢𝐧𝒙+𝑪 As ∫1▒(sin𝑥 ) 𝑑𝑥=−cos𝑥+𝐶 ∫1▒〖〖(cos〗𝑥) 〗 𝑑𝑥=sin𝑥+𝐶