मराठी

Integrate the functions: sin x ⋅ sin (cos x) - Mathematics

Advertisements
Advertisements

प्रश्न

Integrate the functions:

sin x ⋅ sin (cos x)

बेरीज
Advertisements

उत्तर

Let I `= int sin x sin  (cos x) dx`

Put cos x = t

= - sin x dx = dt

Hence, I `= - int sin t  dt`

= (cos t) + C

= cos (cos x) + C

shaalaa.com
  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 7: Integrals - Exercise 7.2 [पृष्ठ ३०४]

APPEARS IN

एनसीईआरटी Mathematics Part 1 and 2 [English] Class 12
पाठ 7 Integrals
Exercise 7.2 | Q 4 | पृष्ठ ३०४

संबंधित प्रश्‍न

Evaluate :   `∫1/(cos^4x+sin^4x)dx`


Integrate the functions:

sin (ax + b) cos (ax + b)


Integrate the functions:

`(2cosx - 3sinx)/(6cos x + 4 sin x)`


Integrate the functions:

`(x^3 sin(tan^(-1) x^4))/(1 + x^8)`


Evaluate: `int 1/(x(x-1)) dx`


Evaluate: `int_0^3 f(x)dx` where f(x) = `{(cos 2x, 0<= x <= pi/2),(3, pi/2 <= x <= 3) :}`


Write a value of\[\int\frac{1}{1 + 2 e^x} \text{ dx }\].


Write a value of\[\int a^x e^x \text{ dx }\]


Write a value of

\[\int\frac{1 + \log x}{3 + x \log x} \text{ dx }\] .

The value of \[\int\frac{1}{x + x \log x} dx\] is


Evaluate the following integrals : `intsqrt(1 + sin 5x).dx`


Integrate the following functions w.r.t. x : tan5x


Evaluate the following : `int (1)/sqrt(2x^2 - 5).dx`


Evaluate the following : `int sqrt((10 + x)/(10 - x)).dx`


Evaluate the following : `int (1)/sqrt(8 - 3x + 2x^2).dx`


Integrate the following functions w.r.t. x : `int (1)/(cosx - sqrt(3)sinx).dx`


Choose the correct options from the given alternatives :

`int (e^x(x - 1))/x^2*dx` =


Integrate the following with respect to the respective variable:

`x^7/(x + 1)`


`int sqrt(1 + "x"^2) "dx"` =


Evaluate: `int (2"e"^"x" - 3)/(4"e"^"x" + 1)` dx


`int 2/(sqrtx - sqrt(x + 3))` dx = ________________


`int logx/x  "d"x`


`int x^x (1 + logx)  "d"x`


Evaluate `int(3x^2 - 5)^2  "d"x`


`int "dx"/((sin x + cos x)(2 cos x + sin x))` = ?


`int[ tan (log x) + sec^2 (log x)] dx= ` ______


`int (sin  (5x)/2)/(sin  x/2)dx` is equal to ______. (where C is a constant of integration).


If `int sinx/(sin^3x + cos^3x)dx = α log_e |1 + tan x| + β log_e |1 - tan x + tan^2x| + γ tan^-1 ((2tanx - 1)/sqrt(3)) + C`, when C is constant of integration, then the value of 18(α + β + γ2) is ______.


`int(1 - x)^(-2)` dx = `(1 - x)^(-1) + c`


Find `int dx/sqrt(sin^3x cos(x - α))`.


Evaluate `int(1 + x + x^2/(2!) )dx`


Evaluate `int(1 + x + x^2/(2!))dx`


Evaluate the following.

`int(1)/(x^2 + 4x - 5)dx`


Evaluate the following.

`int1/(x^2+4x-5) dx`


Evaluate:

`int(cos 2x)/sinx dx`


If f '(x) = 4x3 - 3x2 + 2x + k, f(0) = 1 and f(1) = 4, find f(x).


Evaluate the following:

`int x^3/(sqrt(1 + x^4)) dx`


Evaluate the following.

`int1/(x^2 + 4x - 5)dx`


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×