Home
Class 12
MATHS
If x=a(cos theta+theta sin theta), y=a(s...

If `x=a(cos theta+theta sin theta), y=a(sin theta-theta cos theta)` then `a theta=`

A

`x+y-a`

B

`sqrt(x^(2)+y^(2)-a^(2))`

C

`sqrt(x^(2)-y^(2)+a^(2))`

D

`x-y+a`

Text Solution

Verified by Experts

The correct Answer is:
b
Promotional Banner

Topper's Solved these Questions

  • TRIGONOMETRICAL IDENTITIES AND EQUATIONS

    MCGROW HILL PUBLICATION|Exercise EXERCISE (LEVEL 2 Single Correct Answer Type Questions)|30 Videos

  • TRIGONOMETRICAL IDENTITIES AND EQUATIONS

    MCGROW HILL PUBLICATION|Exercise EXERCISE (Numerical Answer Type Questions)|32 Videos

  • TRIGONOMETRICAL IDENTITIES AND EQUATIONS

    MCGROW HILL PUBLICATION|Exercise EXERCISE (Concept-based Single Correct Answer Type Questions ) |20 Videos

  • THE DIMENSIONAL GEOMETRY

    MCGROW HILL PUBLICATION|Exercise QUESTIONS FROM PREVIOUS YEARS. B-ARCHITECTURE ENTRANCE EXAMINATION PAPERS|25 Videos

  • VECTOR ALGEBRA

    MCGROW HILL PUBLICATION|Exercise QUESTIONS FROM PREVIOUS YEARS. B-ARCHITECTURE ENTRANCE EXAMINATION PAPERS|20 Videos

Similar Questions

Explore conceptually related problems

The normal to the curve x=a(cos theta + theta sin theta), y=a(sin theta - theta cos theta) at any theta is such that

If x=a(cos theta+theta sin theta) and y=a(sin theta-theta cos theta) and theta increases at uniform rate omega . The velocity of particle is

The normal to the curve x=a(cos theta-theta sin theta),y=a(sin theta-theta cos theta) at any point,theta, is such that

Find (dy)/(dx), when x=a(cos theta+theta sin theta) and y=a(sin theta-theta cos theta)

cos theta+sin theta=cos2 theta+sin2 theta

(sin5 theta-2sin3 theta + sin theta) / (cos5 theta-cos theta) = tan theta

MCGROW HILL PUBLICATION-TRIGONOMETRICAL IDENTITIES AND EQUATIONS -EXERCISE (LEVEL 1 Single Correct Answer Type Questions)
  1. If tan theta+tan phi=a, cot theta+cot phi=b, theta-phi=alpha (pi 0) th...

    Text Solution

    |

  2. If (x)/(y)=(cosA)/(coB) then (x tan A+y tanB)/(x+y)=

    Text Solution

    |

  3. If x=a(cos theta+theta sin theta), y=a(sin theta-theta cos theta) the...

    Text Solution

    |

  4. (1+cos (pi//8))(1+cos(3pi//8))(1+cos(5pi//8)) (1+cos(7pi//8))=

    Text Solution

    |

  5. If 2 cos x +2cos 3x=cosy, 2 sinx+2sin3x=siny then the vlaue of cos 2x ...

    Text Solution

    |

  6. (cosA)/(3)=(cosB)/(4)=(1)/(5), -(pi)/(2) lt A lt 0, 0 lt B lt (pi)/(2)...

    Text Solution

    |

  7. The value of log(3)tan 1^(@)+log(3)tan 2^(@)+….+ log(3)tan89^(@) is

    Text Solution

    |

  8. If (tan^(3)((pi//2)-theta))/(sec^(2)theta)*(cot^(2)theta)/(sec((pi//2)...

    Text Solution

    |

  9. The number of solutions of sin theta+2 sin 2 theta+3 sin 3 theta+4 si...

    Text Solution

    |

  10. cos11^(@)-cos2^(@) is

    Text Solution

    |

  11. If sin A, cosA and tan A are in G.P., then cot^(6)A-cot^(2)A=

    Text Solution

    |

  12. If cosx-sinx=1//2, then tan2x=

    Text Solution

    |

  13. Which of the following gives the least value of A

    Text Solution

    |

  14. If n in N and sin((pi)/(2n))+cos((pi)/(2n))=(sqrt(n))/(2), then a poss...

    Text Solution

    |

  15. If 4n alpha=pi, then the value of tan alpha tan 2alpha tan 3 alpha…… t...

    Text Solution

    |

  16. If x gt0 and |(x, sin theta, cos theta),(-sin theta, x, 1),(cos theta,...

    Text Solution

    |

  17. If 2tan(pi//3) cos (2pi x)=sqrt(3), the general solution of the equati...

    Text Solution

    |

  18. 2cos^(2)x+4cosx=3sin^(2)x if

    Text Solution

    |

  19. 6tan^(2)x-2cos^(2)x=cos2x if

    Text Solution

    |

  20. The greatest value of cos theta for which cos 5 theta=0 is

    Text Solution

    |