English

`Sin^-1(Sin - (17pi)/8)` - Mathematics

Advertisements
Advertisements

Question

`sin^-1{(sin - (17pi)/8)}`

Sum
Advertisements

Solution

We know

`sin(sin^-1theta)=theta if - pi/2<=theta<=pi/2`

We have

`sin^-1(sin - (17pi)/8)sin^-1(-sin  (17pi)/8)`

`=sin^-1{-sin(2pi+pi/8)}`

`=sin^-1(-sin  pi/8)`

`=sin^-1(sin-pi/8)`

`=-pi/8`

shaalaa.com
  Is there an error in this question or solution?
Chapter 4: Inverse Trigonometric Functions - Exercise 4.07 [Page 42]

APPEARS IN

RD Sharma Mathematics [English] Class 12
Chapter 4 Inverse Trigonometric Functions
Exercise 4.07 | Q 1.06 | Page 42

RELATED QUESTIONS

Write the value of `tan(2tan^(-1)(1/5))`


If sin [cot−1 (x+1)] = cos(tan1x), then find x.


`sin^-1(sin  (5pi)/6)`


`sin^-1(sin12)`


Evaluate the following:

`tan^-1(tan1)`


Evaluate the following:

`sec^-1(sec  (2pi)/3)`


Evaluate the following:

`sec^-1(sec  (25pi)/6)`


Write the following in the simplest form:

`tan^-1sqrt((a-x)/(a+x)),-a<x<a`


Write the following in the simplest form:

`sin^-1{(sqrt(1+x)+sqrt(1-x))/2},0<x<1`


Evaluate the following:

`sec(sin^-1  12/13)`


Evaluate: `sin{cos^-1(-3/5)+cot^-1(-5/12)}`


Evaluate:

`cos(sec^-1x+\text(cosec)^-1x)`,|x|≥1


If `(sin^-1x)^2+(cos^-1x)^2=(17pi^2)/36,`  Find x


`sin^-1x=pi/6+cos^-1x`


`tan^-1x+2cot^-1x=(2x)/3`


Solve the following equation for x:

tan−1(x + 1) + tan−1(x − 1) = tan−1`8/31`


Solve the following equation for x:

`tan^-1(2+x)+tan^-1(2-x)=tan^-1  2/3, where  x< -sqrt3 or, x>sqrt3`


Solve the equation `cos^-1  a/x-cos^-1  b/x=cos^-1  1/b-cos^-1  1/a`


Solve `cos^-1sqrt3x+cos^-1x=pi/2`


Evaluate the following:

`sin(2tan^-1  2/3)+cos(tan^-1sqrt3)`


`tan^-1  1/4+tan^-1  2/9=1/2cos^-1  3/2=1/2sin^-1(4/5)`


`2tan^-1  3/4-tan^-1  17/31=pi/4`


`2tan^-1(1/2)+tan^-1(1/7)=tan^-1(31/17)`


Find the value of the following:

`tan^-1{2cos(2sin^-1  1/2)}`


Solve the following equation for x:

`3sin^-1  (2x)/(1+x^2)-4cos^-1  (1-x^2)/(1+x^2)+2tan^-1  (2x)/(1-x^2)=pi/3`


For any a, b, x, y > 0, prove that:

`2/3tan^-1((3ab^2-a^3)/(b^3-3a^2b))+2/3tan^-1((3xy^2-x^3)/(y^3-3x^2y))=tan^-1  (2alphabeta)/(alpha^2-beta^2)`

`where  alpha =-ax+by, beta=bx+ay`


Write the value of tan1x + tan−1 `(1/x)`for x > 0.


Write the value of sin (cot−1 x).


Write the value of

\[\cos^{- 1} \left( \frac{1}{2} \right) + 2 \sin^{- 1} \left( \frac{1}{2} \right)\].


Write the range of tan−1 x.


Write the value of \[\tan^{- 1} \left\{ 2\sin\left( 2 \cos^{- 1} \frac{\sqrt{3}}{2} \right) \right\}\]


\[\text{ If }\cos^{- 1} \frac{x}{3} + \cos^{- 1} \frac{y}{2} = \frac{\theta}{2}, \text{ then }4 x^2 - 12xy \cos\frac{\theta}{2} + 9 y^2 =\]


Let f (x) = `e^(cos^-1){sin(x+pi/3}.`
Then, f (8π/9) = 


\[\tan^{- 1} \frac{1}{11} + \tan^{- 1} \frac{2}{11}\]  is equal to

 

 


If \[\cos^{- 1} \frac{x}{2} + \cos^{- 1} \frac{y}{3} = \theta,\]  then 9x2 − 12xy cos θ + 4y2 is equal to


Prove that : \[\tan^{- 1} \left( \frac{\sqrt{1 + x^2} + \sqrt{1 - x^2}}{\sqrt{1 + x^2} - \sqrt{1 - x^2}} \right) = \frac{\pi}{4} + \frac{1}{2} \cos^{- 1} x^2 ;  1 < x < 1\].


Find the simplified form of `cos^-1 (3/5 cosx + 4/5 sin x)`, where x ∈ `[(-3pi)/4, pi/4]`


The period of the function f(x) = tan3x is ____________.


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×