Home
Class 11
MATHS
tan 4x = (4 tan x (1- tan ^(2) x ))/( 1 ...

`tan 4x = (4 tan x (1- tan ^(2) x ))/( 1 - 6 yan ^(2) x + tan ^(4) x)`

Promotional Banner

Topper's Solved these Questions

  • TRIGONOMETRIC FUNCTIONS

    NCERT TAMIL|Exercise EXERCISE 3.4|9 Videos

  • TRIGONOMETRIC FUNCTIONS

    NCERT TAMIL|Exercise MISCELLANEOUS EXAMPLES|10 Videos

  • TRIGONOMETRIC FUNCTIONS

    NCERT TAMIL|Exercise EXERCISE 3.2|10 Videos

  • STRAIGHT LINES

    NCERT TAMIL|Exercise Miscellaneous Exercise on Chapter 10|24 Videos

  • TRIGONOMETRY

    NCERT TAMIL|Exercise EXERCISE 3.12|20 Videos

Similar Questions

Explore conceptually related problems

Solve (tan 3x - tan 2x)/(1+tan 3x tan 2x)=1 .

Show that tan 3x tan 2x tan x = tan 3x - tan 2x - tan x

The number of integral values of x satisfying the equation tan^(-1) (3x) + tan^(-1) (5x) = tan^(-1) (7x) + tan^(-1) (2x) is ____

int (e^(x) (x^(2) tan^(-1) x + tan^(-1) x + 1))/( x^(2) + 1) dx is

(tan ((pi)/(4) +4))/( tan ((pi)/(4) -x ))= ((1 + tan x )/( 1- tan x )) ^(2)

Solve tan^(-1) x + cot^(-1) (-|x|) = 2 tan^(-1) 6x

If tan x = (n)/(n + 1) and tan y = (1)/(2n + 1) , find tan (x + y).

(1 + cos 4 x )/( cot x - tan x )

NCERT TAMIL-TRIGONOMETRIC FUNCTIONS -EXERCISE 3.3
  1. Prove that cos (pi/4-x) cos (pi/4-y)- sin (pi/4-x) sin(pi/4-y) =si...

    Text Solution

    |

  2. (tan ((pi)/(4) +4))/( tan ((pi)/(4) -x ))= ((1 + tan x )/( 1- tan x ))...

    Text Solution

    |

  3. (cos (pi +x) cos (-x))/( sin (pi -x) cos ((pi )/(2) + x))= cot ^(2) x

    Text Solution

    |

  4. cos ((3pi )/( 2 ) + x) cos (2pi + x) [cot ((3pi)/( 2)- x ) + cot (2pi ...

    Text Solution

    |

  5. sin (n +1) x sin (n +2) x + cos (n +1) x cos (n +2) x = cos x

    Text Solution

    |

  6. Prove that cos ((3pi)/(4)+x)-cos ((3pi)/(4)-x)=-sqrt2 sin x

    Text Solution

    |

  7. sin ^(2) 6x - sin ^(2) 4x = sin 2x sin 10x

    Text Solution

    |

  8. cos ^(2) 2x -cos ^(2) 6x = sin 4x sin 8x

    Text Solution

    |

  9. sin 3 x + 2 csin 4x + sin 6x = 4 cos ^(2) x sin 4x

    Text Solution

    |

  10. cot 4x (sin 5x + sin 3x) = cot x (sin 5x - sin 3x)

    Text Solution

    |

  11. (cos 9x - cos 5x )/( sin 17 x- sin 3x )=- (sin 2x)/( cos 10x )

    Text Solution

    |

  12. (sin 5x + sin 3x )/( cos 5x + cos 3x ) = tan 4x

    Text Solution

    |

  13. (sin x - sin y)/( cos x + cos y) = tan ""(x-y)/(2)

    Text Solution

    |

  14. (sin x + sin 3x )/( cos x + cos 3x )= tan 2x

    Text Solution

    |

  15. (sin x - sin 3x)/( sin ^(2) x - cos ^(2) x) = 2 sin x

    Text Solution

    |

  16. (cos 4x +cos 3x + cos 2x )/( sin 4x + sin 3x + sin 2x)= cot 3x

    Text Solution

    |

  17. cot x cot 2x - cot 2x cot 3x - cot 3x cot x=1

    Text Solution

    |

  18. tan 4x = (4 tan x (1- tan ^(2) x ))/( 1 - 6 yan ^(2) x + tan ^(4) x)

    Text Solution

    |

  19. cos 4x =1- 8 sin ^(2) x cos ^(2) x

    Text Solution

    |

  20. cos 6x = 32 cos ^(6) x - 48 cos ^(4) x + 18 cos ^(2) x-1

    Text Solution

    |