Home
Class 11
MATHS
sin ^(2) 6x - sin ^(2) 4x = sin 2x sin 1...

`sin ^(2) 6x - sin ^(2) 4x = sin 2x sin 10x`

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

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

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

Let f(x)=|[1+sin ^2 x, cos ^2 x , 4 sin 2 x],[ sin ^2 x ,1+cos ^2 x , 4 sin 2 x],[ sin ^2 x , cos ^2 x , 1+4 sin 2 x]| , the maximum value of f(x) is

e^(-4x) sin 2 x

If 0 lt x lt pi then ( sin 8x + 7 sin 6x + 18 sin 4x +12 sin 2x ) /( sin 7 x + 6 sin 5x + 12 sin 3x ) =

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

Number of solutions of equation 2"sin" x/2 cos^(2) x-2 "sin" x/2 sin^(2) x=cos^(2) x-sin^(2) x for x in [0, 4pi] is

The number of distinct real roots of the equation sin^(3)x +sin^(2)x sin x-sin x- sin 2x-2cos x=0 belonging to the interval (-(pi)/(2),(pi)/(2))

The number of solution of sin^(4)x-cos^(2) x sin x+2 sin^(2)x+sin x=0 in 0 le x le 3 pi is

int (sin^(8) x - cos ^(8) x)/( 1 - 2 sin^(2) x cos^(2) x) dx is

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

    |