Home
Class 12
MATHS
The matrix R(t) is defined by R(t)=[(cos...

The matrix R(t) is defined by `R(t)=[(cos t,sin t),(-sin t,cos t)]`. Show that `R(s)R(t)=R(s+t)`.

A

`R (s +t)`

B

`R (s -t)`

C

`R (s) + R (t)`

D

None of these

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • QUESTION-PAPERS-2016

    BITSAT GUIDE|Exercise MATHEMATICS|45 Videos
  • QUESTION-PAPERS-2018

    BITSAT GUIDE|Exercise MATHEMATICS|45 Videos

Similar Questions

Explore conceptually related problems

x = a (cos t + sin t), y = a (sin t-cos t)

If x=a(cos t+t sin t) and y=a(sin t-t cos t)

7. x=a(cos t+t sin t),y=a(sin t-t cos t) find dy/dx

x=e^t (sin t + cos t ),y=e^t(sin t -cos t)

The curve represented by x=2(cos t+sin t) and y=5(cos t-sin t) is

Prove that the curve represented by x=3(cos t+sin t),y=4(cos t-sin t),t in R is an ellipse

If x = a (cos t + t sin t), y = a (sin t - t cos t), then at t = pi//4,(dy)/(dx)

The displacement vector of a particle of mass m is given by r (t) = hati A cos omega t + hatj B sin omega t . (a) Show that the trajectory is an ellipse. (b) Show that F = -m omega^(2)r .

If x=a(cos t+t sin t) and y=a(sin t-t cos t), then find (d^(2)y)/(dx^(2))

BITSAT GUIDE-QUESTION-PAPERS-2017-MATHEMATICS
  1. If f (x) = {{:(( x log cos x )/( log (1 + x ^(2)))",", x ne 0), ( 0","...

    Text Solution

    |

  2. The maximum value of z = 3x + 2y subject to x + 2y ge 2 , x + 2y lt 8...

    Text Solution

    |

  3. A cylindrical gas container is closed at the top and open at the ...

    Text Solution

    |

  4. Let A, B , C be finite sets. Suppose that n (A) = 10, n (B) = 15, n (C...

    Text Solution

    |

  5. If f(z) = (7-z)/( 1-z^(2)), where z =1+2i, then |f (z) | is

    Text Solution

    |

  6. If f(x)=cos^(-1)[(1-(logx)^2)/(1+(logx)^2)] , then the value of f'(e) ...

    Text Solution

    |

  7. Statement 1 : A five digit number divisible by 3 is to be formed using...

    Text Solution

    |

  8. The equation of one of the common tangent to the parabola y^(2) = 8x a...

    Text Solution

    |

  9. The matrix R(t) is defined by R(t)=[(cos t,sin t),(-sin t,cos t)]. Sho...

    Text Solution

    |

  10. If = int x log (1 + (1)/(x) ) dx = f (x) log (x +1) + g (x) x ^(2) +Lx...

    Text Solution

    |

  11. Let veca , vecb and vec c be non coplanar unit vectors equally incl...

    Text Solution

    |

  12. 2^(1//4).4^(1//8).8^(1//16).16^(1//32)…. is equal to

    Text Solution

    |

  13. If sum ( r = 0 ) ^( n ) (-1) ^(r) ( ""^(n) C (r))/( ""^( r + 3) C (r))...

    Text Solution

    |

  14. If |(p,q-y,r-z),(p-x,q,r-z),(p-x,q-y,r)| = 0 then the value of p/x+q/y...

    Text Solution

    |

  15. . An urn contains five balls. Two balls are drawn and found to be whit...

    Text Solution

    |

  16. The ratio in which the joining of (2,1,5) and (3,4,3) is divded by th...

    Text Solution

    |

  17. int(0)^(pi//2) sqrt(sin x)/(sqrt(sin x ) + sqrt( cos x)) dx =

    Text Solution

    |

  18. The dot product of a vector with the vectors hati + hatj - 3 hatk , ha...

    Text Solution

    |

  19. The angle between the lines whose intercepts on the axes are a, –b and...

    Text Solution

    |

  20. If the line through the points A(k,1,-1) and B (2k,0,2) is perpendicul...

    Text Solution

    |