Home
Class 12
MATHS
If cottheta+tantheta=3and1-cos^(2)theta-...

If `cottheta+tantheta=3and1-cos^(2)theta-alphacostheta=0`, then

A

`6alpha^(2)(9-alpha^(2))=1`

B

`6alpha^(2)(alpha^(2)-9)=1`

C

`9alpha^(2)(6-alpha^(2))=1`

D

`9alpha^(2)(alpha^(2)-6)=1`

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • TS EAMCET 2019 (4 MAY SHIFT 2)

    TS EAMCET PREVIOUS YEAR PAPERS|Exercise MATHEMATICS|80 Videos

Similar Questions

Explore conceptually related problems

(2cos^(2) 3 theta -1)cos 5 theta =

If cottheta-tantheta=sectheta then theta =

(cos3theta)/(2cos2theta-1)=

If 2cos^(2)theta + cos theta -1 =0 then theta =

If tantheta+tan2theta+sqrt(3)tanthetatan2theta=sqrt(3) , then the general solution is theta

If tantheta+tan2theta+tantheta. tan2theta=1 then theta =

If ( cos ( theta_1- theta_ 2 ))/(cos ( theta_1+ theta_2))+( cos ( theta_3 + theta_4))/( cos ( theta_3- theta_4))=0 , then tan theta_1 , tan theta_2 tan thet_3 tan theta_4=

If sin theta_(1)sin theta_(2)-cos theta_(1)cos theta_(2)+1=0 , then the value of tan(theta_(1)//2)cot(theta_(1)//2) is equal to

If cos theta + cos 7 theta + cos 3 theta + cos 5 theta = 0 " then " theta =

If cos theta + cos 2theta + cos 3theta = 0 then theta =

TS EAMCET PREVIOUS YEAR PAPERS-TS EAMCET 2019 (6 MAY SHIFT 1)-MATHEMATICS
  1. If (3x^(4)+5x^(2)+2)/((x^(2)+1)^(2)(x^(2)+2))=(Ax+B)/(x^(2)+2)+(Cx+D)/...

    Text Solution

    |

  2. If sin2thetaandcos2theta are solution of x^(2)+bx-c=0 then

    Text Solution

    |

  3. If cottheta+tantheta=3and1-cos^(2)theta-alphacostheta=0, then

    Text Solution

    |

  4. If sinx+siny=p,cosx+cosy=q then sec(x+y)=

    Text Solution

    |

  5. The number of solutions of the equation sinA-5sin2A+sin3A

    Text Solution

    |

  6. If x(1),x(2),x(3) are the real roots of the equation x^(3)-x^(2)tanthe...

    Text Solution

    |

  7. If y=loge tan ((pi)/(4)+(x)/(2)) then tan h (y)/(2)=

    Text Solution

    |

  8. In a DeltaABC if a+3b=3c then sin""(A)/(2)

    Text Solution

    |

  9. Let one of the sides of a triangle be 17 cm and the sum of all the sid...

    Text Solution

    |

  10. If the perimeter of the triangle ABC is 50 cm then bcos^(2)""(C)/(2)+c...

    Text Solution

    |

  11. If P, Q, R and S are the points with position vectors hati+hatj+hatk,2...

    Text Solution

    |

  12. If the plane passing through the points hati+hatj+hatk,2hati-hatk and ...

    Text Solution

    |

  13. If the vector 19hati+22hatj+5hatk bisects an angle between the vectors...

    Text Solution

    |

  14. Let p=hati+2hatj-hatk,q=2hati-hatj+hatk. If a and b are two vectors su...

    Text Solution

    |

  15. If a=hati+hatj+hatk,a.b=1andaxxb=hatj-hatk then b=

    Text Solution

    |

  16. The distance of the origin from the plane r.(3hati+4hatj-12hatk)=7 mea...

    Text Solution

    |

  17. If alpha,beta,gamma are the mean deviations about the mean, median and...

    Text Solution

    |

  18. The coefficient of variation for the following data is

    Text Solution

    |

  19. In a town the probability that a sick person may need to be admitted t...

    Text Solution

    |

  20. A bag contains 6 red, 2 white and 8 blue balls. Three are drawn at ran...

    Text Solution

    |