Home
Class 12
MATHS
If y = cos^(-1) ((2cos x - 3 sin x)/(sqr...

If y `= cos^(-1) ((2cos x - 3 sin x)/(sqrt(13))),then (dy)/(dx)` is

A

zero

B

constant =1

C

constant `ne 1`

D

none of these

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • MODEL TEST PAPER - 7

    KCET PREVIOUS YEAR PAPERS|Exercise MATHEMATICS|60 Videos

  • MODEL TEST PAPER 02

    KCET PREVIOUS YEAR PAPERS|Exercise MATHEMATICS|60 Videos

Similar Questions

Explore conceptually related problems

If y=tan^(-1)((sin x + cos x)/(cos x - sin x)) , then (dy)/(dx) is equal to

If y = sin^(-1) (x sqrt(1-x) - sqrtx sqrt(1-x^(2))) then dy/dx =

If cos^(-1) ((x^(2) -y^(2))/( x^(2)+y^(2)))=a ,then (dy)/(dx) =

If y = cos (sqrt(x)) then find dy/dx

If y = sin^(-1) (2x sqrt(1-x^(2))) , then dy/dx at x = 1/2 is

If y=sin^(n)x cos n x, then (dy)/(dx) is

Let f(x) = cos^(-1) [(1)/(sqrt13) (2 cos x - 3 sin x)] . Then f(0.5) =

KCET PREVIOUS YEAR PAPERS-MODEL TEST PAPER - 8-MATHEMATICS
  1. The value of underset(x rarr0)limsqrt((1)/(2)(1-cos2x))/(x) is

    Text Solution

    |

  2. If f (x) =((x^(2)+5x+3^(x))/(x^(2)+x+2)) then underset(x rarroo)limf(x...

    Text Solution

    |

  3. If y = cos^(-1) ((2cos x - 3 sin x)/(sqrt(13))),then (dy)/(dx) is

    Text Solution

    |

  4. The derivative of sec^(-1)((1)/(2x^(2)-1)) with respect to sqrt(1-x^(2...

    Text Solution

    |

  5. The abscissa of the point on the curve ay^(2)=x^(3), the normal at whi...

    Text Solution

    |

  6. If y = a logx + bx^(2) + x has its extremum value at x = -1 and x = 2,...

    Text Solution

    |

  7. int (1)/((1+x^(2))sqrt(1-x^(2)))dx is equal to

    Text Solution

    |

  8. int(sqrt(tanx))/(sin x cos x)dx is equal to

    Text Solution

    |

  9. The value of the integral underset(0)overset(1)int(1)/(x^(2)+2x cos al...

    Text Solution

    |

  10. The order and degree of the differential equation rho=[1+((dy)/(dx))^(...

    Text Solution

    |

  11. The equation of a curve passing through (2, 7//2) and having gradient ...

    Text Solution

    |

  12. In the group G = {2, 4, 6, 8} under multiplication modulo 10, the iden...

    Text Solution

    |

  13. If a, b are positive integers, define a^(**)b = alpha where ab -= alph...

    Text Solution

    |

  14. Z is the set of integers, (Z, **) is a group with a ** b = 1 + b + 1, ...

    Text Solution

    |

  15. Let G denote the set of all n xx n non-singular matrices with rational...

    Text Solution

    |

  16. In the group G = { 1, 2, 3, 4, 5 } under addition modulo 6, (3 + 5^(-1...

    Text Solution

    |

  17. If (G, ^(**)) is a group such that a ^(**)b=b^**a for two element a an...

    Text Solution

    |

  18. The value of theta (0 lt theta lt 360^(@)) satisfying cosec theta + 2 ...

    Text Solution

    |

  19. If sin A = sin B, cos A = cos B, then the value of A in terms of B is

    Text Solution

    |

  20. If (1 + tan theta) (1+ tan phi) = 2, then theta + phi =

    Text Solution

    |