Home
Class 12
MATHS
Evaluate underset(theta rarr 0)(lim) (1-...

Evaluate `underset(theta rarr 0)(lim) (1- cos m theta)/(1- cos n theta)`

Text Solution

Verified by Experts

The correct Answer is:
`(m^(2))/(n^(2))`
Promotional Banner

Topper's Solved these Questions

  • APPLICATIONS OF DIFFERENTIAL CALCULUS

    PREMIERS PUBLISHERS|Exercise Problems For Practice (Choose the correct answer)|40 Videos
  • APPLICATIONS OF INTEGRATION

    PREMIERS PUBLISHERS|Exercise Answer the following questions.|18 Videos

Similar Questions

Explore conceptually related problems

Prove: (1 + cot^2 theta) (1 + cos theta)(1-cos theta) = 1

For which value of an acute angle theta ,(i) ( cos theta )/( 1-sin theta ) +(cos theta )/( 1+sin theta ) =4 is true ? For which value of 0^(@) le theta le 90 ^(@) , above equation is not defined?

Given cot theta =(7)/(8) , then evaluate (i) ((1+sin theta )( 1-sin theta ))/( (1+cos theta )(1-cos theta )) " "(ii) ((1+sin theta ))/( cos theta )

Show that (cosec theta -cot theta )^(2) =(1-cos theta )/( 1+cos theta )

Evaluate the determinants (i) {:[( cos theta , -sin theta ),( sin theta , cos theta ) ]:}" " (ii) {:[( x^(2) -x+1,x-1),( x+1,x+1) ]:}

Prove that sqrt((sec theta -1)/( sec theta +1))=(1- cos theta )/( sin theta )

Simplify (1-cos theta ) (1+cos theta ) (1+ cot ^(2) theta) .

Choose the correct option for the following lim_(thetararr0)sqrt[(1-cos9theta)/(1-cos16theta)] is :

sqrt((1+ cos theta)/( 1- cos theta)) + sqrt((1- cos theta)/( 1 + cos theta )) ( 0 lt theta lt pi ) is

PREMIERS PUBLISHERS-APPLICATIONS OF DIFFERENTIAL CALCULUS-Problems For Practice (Answer the following question)
  1. Verify mean value theorem for the function f(x) = x^(3) - 5x^(2) 2x i...

    Text Solution

    |

  2. Expand f(x) = e^(3x) on a maclaurin's series

    Text Solution

    |

  3. Evaluate: underset(x rarr 2)(lim) (sin pi x)/(2 -x)

    Text Solution

    |

  4. Evaluate: underset(x rarr oo)(lim) (x^((1)/(2)) -2 tan^(-1) ((1)/(x)))...

    Text Solution

    |

  5. Evaluate: underset(x rarr 0)(lim) x^(sin x)

    Text Solution

    |

  6. Prove , using mean value theorem, that |sin alpha -sin beta | le| alph...

    Text Solution

    |

  7. Expand f(x) = (1)/(x) about x =2 upto four terms

    Text Solution

    |

  8. Evaluate underset(theta rarr 0)(lim) (1- cos m theta)/(1- cos n theta)

    Text Solution

    |

  9. Evaluate: underset(xrarr0)lim xlog x

    Text Solution

    |

  10. Determine for which values of x the function y = (x-2)/(x + 1), x ne -...

    Text Solution

    |

  11. Discuss the monotonicity of f(x) = 2x^(3) - 15x^(2) + 36x + 1

    Text Solution

    |

  12. Find the critical number and stationary point f(x) = 2x - 3x^(2)

    Text Solution

    |

  13. Find the absolute extreme for f(x) = 1 - 2x - x^(2) in (-4,1)

    Text Solution

    |

  14. Find the local maximum and local minimum of f(x) = 2x^(3) + 5x^(2) - 4...

    Text Solution

    |

  15. Find the absolute extreme of the function f(x) = 2 cos x in [0, 2pi]

    Text Solution

    |

  16. Find the points of inflection of y = x^(4) - 6x^(2) + 8x -1

    Text Solution

    |

  17. Obtain Maclaurin's series for f(x) = log sec x

    Text Solution

    |

  18. Resistance to motion F of a moving vehicle is given by F = (5)/(x) + 1...

    Text Solution

    |

  19. Find the point on the parabola y^(2) = 2x that is closest to the point...

    Text Solution

    |

  20. Find the asymptotes of the function f(x) = (1)/(x + 1)

    Text Solution

    |