Home
Class 11
MATHS
Prove that tan13x = tan 4x + tan 9x + ta...

Prove that `tan13x = tan 4x + tan 9x + tan 4x ``tan 9x tan 13x`

Text Solution

AI Generated Solution

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

tan3x-tan2x-tan x=tan3x tan2x tan x

Prove that tan (2 tan^(-1) x ) = 2 tan (tan^(-1) x + tan^(-1) x^(3)) .

Differentiate (tanx tan 2x tan 3x tan 4x) w.r.t. x.

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

tan 5x tan3x tan2x=

Prove that: (i) tan 8x-tan6x-tan2x=tan8x tan6x tan2x

Prove that tan(x - y) + tan(y - z) + tan(z - x) = tan(x - y) *tan(y -z)* tan(z -x) .

Show that tan3x tan2x tan x=tan3x-tan2x-tan x

CBSE COMPLEMENTARY MATERIAL-TRIGONOMETRIC FUNCTIONS -SHORT ANSWER TYPE QUESTIONS
  1. Let f(theta)=cottheta/(1+cottheta) and alpha+beta=(5pi)/4 then the va...

    Text Solution

    |

  2. Prove that tan 70^(@) = "tan " 20^(@) + 2"tan " 50^(@)

    Text Solution

    |

  3. Prove that tan13x = tan 4x + tan 9x + tan 4x tan 9x tan 13x

    Text Solution

    |

  4. Prove that (tan 5theta + tan 3theta)/(tan 5theta - tan 3theta) = 4 c...

    Text Solution

    |

  5. Prove the following Identities (cosx+sinx)/(cosx-sinx)-(cosx-sinx)/...

    Text Solution

    |

  6. Prove the following Identities (cos 4x sin 3x - cos 2xsin x)/(sin 4...

    Text Solution

    |

  7. Prove the following Identities (1+sin theta-costheta)/(1+ sintheta+...

    Text Solution

    |

  8. tanalpha.tan(60^@-alpha).tan(60^@+alpha)=tan3alpha

    Text Solution

    |

  9. Prove that: \ sqrt(2+sqrt(2+2cos4theta))=2costheta

    Text Solution

    |

  10. Prove the following Identities (cosx)/(1-sinx)=tan((pi)/(4)+(x)/(2)...

    Text Solution

    |

  11. Prove the following Identities cos 10^(@) + cos 110^(@) + cos 130^(...

    Text Solution

    |

  12. Prove the following Identities (sin(x+y)-2sinx+sin(x-y))/(cos(x+y)-...

    Text Solution

    |

  13. Prove the following Identities sin x +sin 2x + sin 4x +sin 5x = 4 co...

    Text Solution

    |

  14. Prove the following Identities (sec8theta-1)/(sec4theta-1)=(tan8the...

    Text Solution

    |

  15. find the value ofsqrt3cosec20^(@)-sec20^(@)

    Text Solution

    |

  16. The value of co s pi/5 co s.2pi / 5 c o s 4pi / 5 co s 8pi / 5 =

    Text Solution

    |

  17. cos 20^@ cos 40^@ cos 80^@=

    Text Solution

    |

  18. Find the general solution of the following equations sin 7x = sin 3...

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |