Home
Class 12
MATHS
If sin 2x+sin4x=2sin3x then x=...

If `sin 2x+sin4x=2sin3x` then x=

A

`(npi)/(3)`

B

`npi+(pi)/(3)`

C

`2npipm(pi)/(3)`

D

none of these

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • TRIGONOMETRIC FUNCTIONS

    TARGET PUBLICATION|Exercise Evaluation Test|34 Videos

  • TRIGONOMETRIC FUNCTIONS

    TARGET PUBLICATION|Exercise Critical Thinking|88 Videos

  • THREE DIMENSIONAL GEOMETRY

    TARGET PUBLICATION|Exercise Evaluation Test|9 Videos

  • VECTORS

    TARGET PUBLICATION|Exercise Evaluation Test|18 Videos

Similar Questions

Explore conceptually related problems

If sin2x+sin4x=2sin3x then x=

sin x sin 2x sin 3x

If 4sin x.sin2x.sin4x=sin3x then theta=

The value of sin x sin2x sin4x when x=(2 pi)/(7)

All the values of x satisfying sin2x+sin4x=2sin3x are

The solution of the equation sin 2x + sin 4x = 2 sin 3x is

If f'(x)=sin x+sin4x cos x then f'(2x^(2)+(pi)/(2))=

Find (dy)/(dx) if,y=sin x sin2x sin3x sin4x

TARGET PUBLICATION-TRIGONOMETRIC FUNCTIONS -Competitive Thinking
  1. tantheta+tan2theta=tanthetatan2theta=1

    Text Solution

    |

  2. sec4theta - sec2theta=2

    Text Solution

    |

  3. If sin 2x+sin4x=2sin3x then x=

    Text Solution

    |

  4. The equation alpha sin x +b cos x =c where |c| gt sqrt(a^2+ b^2) has

    Text Solution

    |

  5. If tan ((p pi)/4)=cot ((qpi)/4), then prove that p+q=2(2n+1), n in Z.

    Text Solution

    |

  6. 2sin^(2)x + sin^(2)2x =2

    Text Solution

    |

  7. If tan(cotx)=cot(tanx), then sin2x is equal to

    Text Solution

    |

  8. Find the general solution of the equation (sqrt3-1) sin theta +(sqrt3 ...

    Text Solution

    |

  9. The solution of the equation sectheta-cosectheta=(4)/(3) is

    Text Solution

    |

  10. The general value of theta satisfying the equation tan^2theta+sec2thet...

    Text Solution

    |

  11. The general value of theta in the equation 2sqrt(3)costheta=tantheta i...

    Text Solution

    |

  12. The number of values of x in the interval [0,5pi] satisfying the equat...

    Text Solution

    |

  13. Principal solutions of the equation sin 2x + cos 2x = 0, where pi < x ...

    Text Solution

    |

  14. If 2sin^(2)theta=3costheta, where 0lethetale2pi, then find the value ...

    Text Solution

    |

  15. If 5cos2theta+2"cos"^(2)(theta)/(2)+1=0, when (0ltthetaltpi), then t...

    Text Solution

    |

  16. The smallest positive angle which satisfies the equation 2sin^(2)theta...

    Text Solution

    |

  17. The equation 3sin^(2)x+10cosx-6=0 is satisfied, if

    Text Solution

    |

  18. The solution of the equation cos^(2)x-2cosx=4sinx-sin2x,0lexlepi, is

    Text Solution

    |

  19. cos2theta = (sqrt(2)+1)(costheta -1/sqrt(2))

    Text Solution

    |

  20. If 32 tan^8 theta =2 cos^2 alpha-3 cos alpha and 3cos2 theta =1, then ...

    Text Solution

    |