Home
Class 11
MATHS
Find the principal and general solution ...

Find the principal and general solution of `cos x = 1/2`

Text Solution

Verified by Experts

We have, .cos . x=(1)/(2)=cos (pi)/(3).
Therefore .x=2 n x pm (pi)/(3)., where .n in Z.
Promotional Banner

Topper's Solved these Questions

  • STRAIGHT LINES

    V PUBLICATION|Exercise QUESTIONBANK|99 Videos

Similar Questions

Explore conceptually related problems

Find the principal and general solutions of cosecx = -2 .

Find the principle and general solutions of sin x =-sqrt3/2

Find the principal and general solutions of the following equations secx=2

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

Find the principal and general solutions of the following equations cotx= -sqrt3

Find the principle and general solution of the equation cosx=(-sqrt3)/2

Find the principle and general solution of the equation sinx= sqrt3/2

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

Find the principle and general solution of the following. cosec x = -2

Find the principle and general solution of the following. sin x=sqrt3/2

V PUBLICATION-TRIGNOMETRC FUNCTIONS-QUESTION BANK
  1. Find the principle and general solutions of sin x =-sqrt3/2

    Text Solution

    |

  2. Find the principle and general solutions of sin x =-sqrt3/2

    Text Solution

    |

  3. Find the principal and general solution of cos x = 1/2

    Text Solution

    |

  4. Solve tan 2 x=-cot (x+(pi)/(3))

    Text Solution

    |

  5. Solve: sin 2x-sin 4x+sin 6x =0

    Text Solution

    |

  6. Solve 2 cos ^(2) x+3 sin x=0

    Text Solution

    |

  7. Find the principle and general solution of the following. tan x = s...

    Text Solution

    |

  8. Find the principal and general solutions of the following equations s...

    Text Solution

    |

  9. Find the principal and general solutions of the following equations ...

    Text Solution

    |

  10. Find the principle and general solution of the following. cosec x =...

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

  14. Find the general solutions for each of the following equations sec^2 2...

    Text Solution

    |

  15. Find the principal and general solution of the following equation sin ...

    Text Solution

    |

  16. If sin x=(3)/(5), cos y=-(12)/(13), where 'x' and 'y' both lie in seco...

    Text Solution

    |

  17. Prove that cos 2 x cos (x/2)-cos 3 x cos ((9x)/2)=sin 5 x sin ((5 x)/...

    Text Solution

    |

  18. Find the value of tan (pi/8)

    Text Solution

    |

  19. If tan x^(circ)=(3)/(4), piltxlt(3 pi)/(2), find the value of sin (x)...

    Text Solution

    |

  20. Show that cos ^(2) x+cos ^(2)(x+(pi)/(3))+cos ^(2) (x-(pi)/(3))=(3)/(2...

    Text Solution

    |