NCERT Solutions for Class 12 Maths Chapter 7 Integrals — Exercise 7.3

Question 1:sin2 (2x + 5)

Question 2:sin 3x cos 4x

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Question 3:cos 2x cos 4x cos 6x

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Question 4:sin3 (2x + 1)

Question 5:sin3 x cos3 x

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Question 6:sin x sin 2x sin 3x

Question 7:sin 4x sin 8x

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Question 8:1 cos 1 cos – x x

Question 9:cos 1 cos x x

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Question 10:sin4 x

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Question 11:cos4 2x

Question 12:2 sin 1 cos x x

Question 13:cos 2 cos 2 cos cos x – x –

Question 14:cos sin 1 sin 2 x – x x

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Question 15:tan3 2x sec 2x

Find the integrals of the functions in Exercises 1

Question 16:tan4 x

Question 17:3 3 2 2 sin cos sin cos x x x x

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Question 18:2 2 cos 2 2sin cos x x x

Question 19:3 1 sin cos x x

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Question 20: 2 cos 2 cos sin x x x

Question 21:sin – 1 (cos x)

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Question 22:1 cos ( ) cos ( ) x –a x–b Choose the correct answer in Exercises 23 and 24

CBSE NCERT Solutions For Class 12 Integrals

Question 23:2 2 2 2 sin cos is equal to sin cos x x dx x x (A) tan x + cot x + C (B) tan x + cosec x + C (C) – tan x + cot x + C (D) tan x + sec x + C

Question 24:2 (1 ) equals cos ( ) x x e x dx e x (A) – cot (exx ) + C (B) tan (xex ) + C (C) tan (e x ) + C (D) cot (e x )