help@askiitians.com

1800-150-456-789

Integral Calculus> integrate the following integral ∫ sin 4x...

question mark

integrate the following integral∫ sin 4x cos 7x dx

taniska , 10 Years ago

Grade 12

1 Answers

Jitender Singh

Last Activity: 10 Years ago

Ans:
Hello Student,
Please find answer to your question below

$I = \int sin4xsin7xdx$
$I = \frac{1}{2}\int 2sin7xsin4xdx$
$I = \frac{1}{2}\int [sin3x+sin10x]dx$
$I = \frac{1}{2}[\int sin3xdx+\int sin10xdx]$
$I = \frac{1}{2}[-\frac{cos3x}{3}+\int sin10xdx]$
$I = \frac{1}{2}[-\frac{cos3x}{3}-\frac{cos10x}{10}]+c$

Provide a better Answer & Earn Cool Goodies

Enter text here...

LIVE ONLINE CLASSES

Prepraring for the competition made easy just by live online class.

Full Live Access

Study Material

Live Doubts Solving

Daily Class Assignments

Ask a Doubt

Get your questions answered by the expert for free

Enter text here...

question mark

The area of a square field is 640000cm2.what is its area in hectares

Integral Calculus

1 Answer Available

Last Activity: 2 Year ago(s)

question mark

Please solve this integration. I am facing difficulty in it How to solve this. Please solve anyone. Humble request

Integral Calculus

0 Answer Available

Last Activity: 2 Year ago(s)

question mark

Using laplace transform, solve d2y/dt2 + dy/dt = t2 +2t given that y=4 and y’=-2 and t=0

Integral Calculus

0 Answer Available

Last Activity: 2 Year ago(s)

question mark

how to solve this?this is interger type question .

Integral Calculus

0 Answer Available

Last Activity: 2 Year ago(s)

question mark

Integrate 0 to π/2 (x sin x cos x )/(a²cos²x + b²sin²x)²

Integral Calculus

1 Answer Available

Last Activity: 2 Year ago(s)

View all Questions