Home
Class 11
MATHS
Solve sin x-3 sin 2x + sin 3x = cos x -3...

Solve `sin x-3 sin 2x + sin 3x = cos x -3 cos 2x + cos 3x`.

Text Solution

Verified by Experts

The correct Answer is:
`x=(npi)/(2),ninz`
Promotional Banner

Topper's Solved these Questions

  • TRIGONOMETRIC FUNCTIONS

    CBSE COMPLEMENTARY MATERIAL|Exercise VERY SHORT ANSWER TYPE QUESTIONS|20 Videos
  • STRAIGHT LINES

    CBSE COMPLEMENTARY MATERIAL|Exercise SECTION-D (LONG ANSWER TYPE QUESTIONS )|23 Videos

Similar Questions

Explore conceptually related problems

The general solution of sinx - 3 sin 2x + sin3x = cos x - 3 cos 2x + cos 3x is.

(sin 3x + sin x) sin x + (cos 3x - cos x) cos x =0

(sin x + sin 3x)/(cos x - cos 3x) = ?

Solve cos 7x= sin 3x

The number of solution of sin x+sin 2x+sin 3x =cos x +cos 2x+cos 3x, 0 le x le 2pi , is

(sin3x + sin x) sin x + (cos3x-cos x) cos x = 0

(sin x + sin3x + sin5x) / (cos x + cos3x + cos5x) = tan3x

CBSE COMPLEMENTARY MATERIAL-TRIGONOMETRIC FUNCTIONS -SHORT ANSWER TYPE QUESTIONS
  1. Find the general solution of the following equations sin 7x = sin 3...

    Text Solution

    |

  2. Find the general solutions of each of the following equations : (1) ...

    Text Solution

    |

  3. Solve sin x-3 sin 2x + sin 3x = cos x -3 cos 2x + cos 3x.

    Text Solution

    |

  4. Draw the graph of cosx, sin x and tan x in [0, 2pi]

    Text Solution

    |

  5. Draw sin x, sin 2x and sin 3x on same graph and with same scale

    Text Solution

    |

  6. Evaluate(i) cos 36^(@) (ii)tan((13pi)/(12))

    Text Solution

    |

  7. cos^4(pi/8)+cos^4((3pi)/8)+cos^4((5pi)/8)+cos^4((7pi)/8)=

    Text Solution

    |

  8. If tanA=tanB=xa n dcotB-cotA=y , prove that cot(A-B)=1/x+1/y

    Text Solution

    |

  9. If (sin(x+y))/(sin(x-y))=(a+b)/(a-b) , then show that (tanx)/(tany)=(...

    Text Solution

    |

  10. if coxx=cosalpha.cosbeta then prove that tan((x+alpha)/2)*tan((x-alpha...

    Text Solution

    |

  11. If tan(picostheta)=cot(pisintheta), then cos(theta-(pi)/(4))=pm(1)/(2s...

    Text Solution

    |

  12. If sin(theta+alpha)=aa n dsin(theta+beta)=b , prove that cos2(alpha-be...

    Text Solution

    |

  13. Find the range of 5 sin x – 12 cos x + 7

    Text Solution

    |

  14. If alpha and beta are the solutions of the equation atan theta+ b s...

    Text Solution

    |

  15. If alphaa n dbeta are the solutions of the equation at a ntheta+bs e c...

    Text Solution

    |

  16. 2 sin^(2) beta + 4 cos( alpha+ beta) sin alpha sin beta + cos ( 2 alph...

    Text Solution

    |

  17. If 81^(sin^2 x) + 81^(cos^2 x) = 30, where (pi//2) le x le pi, then x ...

    Text Solution

    |

  18. Find the smallest positive number p for which the equation cos (p sin...

    Text Solution

    |

  19. Find the smallest positive number p for which the equation cos (p sin...

    Text Solution

    |

  20. Solve: 4sinxsin2xsin4x=sin3x

    Text Solution

    |