Home
Class 11
MATHS
Find the general solution of the followi...

Find the general solution of the following equations
`cos 3x+cos x-cos 2x=0`

Promotional Banner

Topper's Solved these Questions

  • STRAIGHT LINES

    MAXIMUM PUBLICATION|Exercise EXAMPLE|96 Videos

Similar Questions

Explore conceptually related problems

Find the general solution of the following equations cos 4x = cos 2x

Find the general solution of the following equations sin 2x+ cos x =0

Find the principal and general solution of the following equation sin x+sin 3 x+sin 5 x=0

Find the general solution of the equation sin x+sin 3x+sin 5x=0 .

Find the general solution of the following differential equations (dy)/(dx) = (1 - cos x)/(1 + cos x)

Find the principle and general solution of the following. cos x = 1/2

Find the general solutions of sin x+cos x=1 .

Find the general solution of the differential equation (dy)/(dx)-y=cos x .

Integrate the following functions: cos2x cos4x cos6x

Find the number of solutions of the equations cos (cos^(-1)x) = "cosec"("cosec"^(-1)x)

MAXIMUM PUBLICATION-TRIGONOMETRIC FUNCTIONS-EXAMPLE
  1. Find the general solution of the following equations cos 4x = cos 2x

    Text Solution

    |

  2. Find the general solution of the following equations sin 2x+ cos x =...

    Text Solution

    |

  3. Find the general solution of the following equations cos 3x+cos x-co...

    Text Solution

    |

  4. In Triangle ABC, if a=25, b=52 and c=63, find cos A and sin A.

    Text Solution

    |

  5. For any DeltaABC, prove that a(b cos C -c cos B) = b^2 - c^2

    Text Solution

    |

  6. For any DeltaABC, prove that (sin(B-C))/(sin(B+C))=(b^2-c^2)/(a^2)

    Text Solution

    |

  7. convert 2pi/3 radian measure into degree measure.

    Text Solution

    |

  8. Prove that (sin 5x+sin3x)/(cos 5x+cos3x)=tan4x

    Text Solution

    |

  9. For any DeltaABC, prove that (a+b)/c=cos((A-B)/2)/sin(c/2)

    Text Solution

    |

  10. For any DeltaABC, prove that sin ((B-C)/2)=(b-c)/a cos (A/2)

    Text Solution

    |

  11. Which of the following is not possible. sin x= 1/2

    Text Solution

    |

  12. Which of the following is not possible. cos x= 2/3

    Text Solution

    |

  13. Which of the following is not possible. cosec x= 1/3

    Text Solution

    |

  14. Which of the following is not possible. tan x= 8

    Text Solution

    |

  15. Find the value of sin 15^@ .

    Text Solution

    |

  16. Hence write the value of cos 75^@.

    Text Solution

    |

  17. The angle of elevation of the top point P of the vertical tower PQ of ...

    Text Solution

    |

  18. A tree stands vertically on a hill side which makes an angle of 15^@...

    Text Solution

    |

  19. if sin x= cox x, x in[o,pi] then is

    Text Solution

    |

  20. Write the following in ascending order of its values <> sin 100^@,sin0...

    Text Solution

    |