Home
Class 11
MATHS
Is the equation 2 sin^2 theta -cos theta...

Is the equation `2 sin^2 theta -cos theta+ 4 = 0` possible ?

Promotional Banner

Topper's Solved these Questions

  • TRIGNOMETRY

    MODERN PUBLICATION|Exercise EXERCISE|730 Videos

  • STRAIGHT LINES

    MODERN PUBLICATION|Exercise EXERCISE|304 Videos

Similar Questions

Explore conceptually related problems

Is the equation 2 cos^2 theta + cos theta-6 = 0 possible ?

sin^2theta+cos^2theta=1 .

Solve the equation : sin theta- cos theta=- sqrt2 .

The number of solutions of the pair of equations: 2 sin^2 theta- cos 2 theta = 0, 2 cos^2 theta - 3 sin theta=0 in the interval [0, 2 pi] is :

Solve sin 3 theta + cos 2 theta = 0 .

Solve the following trigonometric equation : sin 2 theta + cos theta = 0 .

Eliminate theta between the equation : x = sin theta + cos theta, y = sin theta-cos theta .

The number of solutions of the pair of equations 2sin^2theta-cos2theta=0 2cos^2theta-3sintheta=0 in the interval [0,2pi] is

Solve the following trigonometric equation : sin theta + cos theta = sqrt2 .

Solve the following trigonometric equation : 2 sin^2 theta+ sqrt3 cos theta+1=0 .

MODERN PUBLICATION-TRIGNOMETRY-EXERCISE
  1. Prove that : cosec^2 theta+ sin^2 theta can never be less than 2.

    Text Solution

    |

  2. Is the equation 2 cos^2 theta + cos theta-6 = 0 possible ?

    Text Solution

    |

  3. Is the equation 2 sin^2 theta -cos theta+ 4 = 0 possible ?

    Text Solution

    |

  4. Find the values of the remaining functions in the following problem : ...

    Text Solution

    |

  5. Find the values of other five trignometrtic functions in each of the f...

    Text Solution

    |

  6. Find the values of the remaining functions in the following problem : ...

    Text Solution

    |

  7. Find the values of the remaining functions in the following problem : ...

    Text Solution

    |

  8. Find the values of the remaining functions in the following problem : ...

    Text Solution

    |

  9. Find the values of the remaining functions in the following problem : ...

    Text Solution

    |

  10. Find the values of the remaining functions in the following problem : ...

    Text Solution

    |

  11. Find the values of the remaining functions in the following problem : ...

    Text Solution

    |

  12. Find the values of the remaining functions in the following problem : ...

    Text Solution

    |

  13. If cos A=21/29 and A lies in the fourth quadrant, find sin A and tan A...

    Text Solution

    |

  14. If sin A=21/29 and A lies in the second quadrant, find sec A + tan A=(...

    Text Solution

    |

  15. If sin theta sec theta = -1 and theta lies in the second quadrant, f...

    Text Solution

    |

  16. If cos theta cosec theta = -1 and theta lies in the fourth quadrant, ...

    Text Solution

    |

  17. If sinA :cosA :: 8: 15, find sin A and cos A.

    Text Solution

    |

  18. If cosec A -cot A= 3/2, find cos A and also the quadrant in which A li...

    Text Solution

    |

  19. If secA + tan A = m, prove that : sinA= (m^2-1)/(m^2+1) .

    Text Solution

    |

  20. If 5 sin theta = 3, find the value of (sec theta -tan theta)/ (sec the...

    Text Solution

    |