Home
Class 11
MATHS
The number of solution of sec^2theta+cos...

The number of solution of `sec^2theta+cos e c^2theta+2cos e c^2theta=8,0lt=thetalt=pi/2` is 4 (b) 3 (c) 0 (d) 2

Promotional Banner

Topper's Solved these Questions

  • STRAIGHT LINES

    CENGAGE PUBLICATION|Exercise All Questions|486 Videos

Similar Questions

Explore conceptually related problems

sin 2theta = cos 3theta (0 lt theta lt pi)

The number of solutions of equation 6cos2theta+2cos^2(theta/2)+2sin^2theta=0, -πltθltπ is

4costheta cos 2theta cos3theta - 2cos 4theta=1

The sum of all the solutions of cottheta=sin2theta(theta!=npi, n integer) , 0lt=thetalt=pi, is

Solve : 5cos2theta+2cos^2(theta/2)+1=0,-pi lt theta lt pi

Solve : cos theta cos 2 theta cos 3 theta =(1)/(4) (0 le theta le pi)

Find the number of solution for sin 5theta cdot cos 3theta = sin 9theta cos 7theta in [0, pi/2]

If cos5theta = acostheta +bcos^2theta + c.cos^5theta =d , then

sin theta -2 = cos2theta when 0 le theta le 2pi

If sin^2 theta+3cos theta=2 then cos^3 theta+sec^3 theta is

CENGAGE PUBLICATION-TRIGONOMETRIC FUNCTIONS-All Questions
  1. Which of the following is true for z=(3+2isintheta)(1-2sintheta)w h e...

    Text Solution

    |

  2. Express 45^0 20 ' 10 ' ' in radian measure (pi=3. 1415)

    Text Solution

    |

  3. The number of solution of sec^2theta+cos e c^2theta+2cos e c^2theta=8,...

    Text Solution

    |

  4. The base of a triangle is divided into three equal parts. If t1, t2,t3...

    Text Solution

    |

  5. A man observes when he has climbed up 1/3 of the length of an inclined...

    Text Solution

    |

  6. Number of solutions of the equation sin^4x-cos^2xsinx+2sin^2x+sinx=0in...

    Text Solution

    |

  7. If the median AD of triangle ABC makes an angle pi/4 with the side BC,...

    Text Solution

    |

  8. If sintheta,tantheta,costheta are in G.P. then 4sin^2theta-3sin^4thet...

    Text Solution

    |

  9. The value of k if the equation 2 cos x + cos 2kx=3 has only one soluti...

    Text Solution

    |

  10. If I1, I2, I3 are the centers of escribed circles of triangle A B C ,...

    Text Solution

    |

  11. Let f(theta)=1/(1+(cottheta)^2) , and S=sum(theta=1^0)^(89^0)f(theta),...

    Text Solution

    |

  12. The number of values of theta in the interval (-pi/2,pi/2) satisfying ...

    Text Solution

    |

  13. If the distance between incenter and one of the excenter of an equi...

    Text Solution

    |

  14. The value of 3(sin^4t+cos^4t-1)/(sin^6t+cos^6t-1) is equal to

    Text Solution

    |

  15. Number of roots of the equation 2^(tan(x-pi/4))-2(0. 25)^((sin^2(x-pi...

    Text Solution

    |

  16. If sintheta-costheta=1, then the value of sin^3theta-cos^3theta is

    Text Solution

    |

  17. Given a triangle A B C with sides a=7, b=8 and c=5. Find the value of ...

    Text Solution

    |

  18. The smallest positive value of x (in radians) satisfying the equation...

    Text Solution

    |

  19. In convex quadrilateral A B C D ,A B=a ,B C=b ,C D=c ,D A=d . This qua...

    Text Solution

    |

  20. Suppose that for some angles xa n dy , the equations sin^2x+cos^2y=(3a...

    Text Solution

    |