Home
Class 11
MATHS
Evaluate : sin frac (5 pi)(24)....

Evaluate :
`sin frac (5 pi)(24)`.

Promotional Banner

Topper's Solved these Questions

  • TRIGNOMETRY

    MODERN PUBLICATION|Exercise EXERCISE|730 Videos

  • STRAIGHT LINES

    MODERN PUBLICATION|Exercise EXERCISE|304 Videos

Similar Questions

Explore conceptually related problems

Evaluate : sin frac (3 pi)(8) .

Evaluate : tan frac (13 pi)(12) .

Evaluate : tan frac (pi)(8) .

Find the value of : sec frac (11 pi)(4) .

Find the value of : tan frac (19 pi)(3) .

Value of sin frac (31 pi)(3) is :

Prove that : 2 sin^2 frac (3pi)(4)+ 2cos^2 frac (pi)(4) +2 cos^2 frac (pi)(3)= 5/2 .

Find the values of the following trigonometric function : sin frac (31 pi)(3) .

Prove that : 3 sin frac (pi)(6) sec frac (pi)(3)-4 sin frac (5pi)(6) cot frac(pi)(4)=1 .

If sin x + sin y =a and cos x+cos y = b , find the values of : tan frac (x-y)(2) .

MODERN PUBLICATION-TRIGNOMETRY-EXERCISE
  1. Prove that (cos^3 theta -cos 3 theta)/(cos theta)+ (sin^3 theta+sin3 t...

    Text Solution

    |

  2. Evaluate : sin frac (3 pi)(8).

    Text Solution

    |

  3. Evaluate : sin frac (5 pi)(24).

    Text Solution

    |

  4. Evaluate : tan frac (pi)(8).

    Text Solution

    |

  5. Prove that : sin^4 frac (pi)(8)+ sin^4 frac (3pi)(8)+sin^4 frac (5pi)...

    Text Solution

    |

  6. Prove that : sqrt((1-cos frac (5pi)(3))/2) =1/2.

    Text Solution

    |

  7. Prove that : sin^2 6x-sin^2 4x= sin 2x sin 10x.

    Text Solution

    |

  8. Prove the following: cos^2 2x - cos^2 6x = sin 4x sin 8x

    Text Solution

    |

  9. Find sin 7 1^@/2, cos 7 1^@/2 and tan 11 1^@/4.

    Text Solution

    |

  10. Prove that : tan 142 1^@/2 =2+sqrt2-sqrt3-sqrt6.

    Text Solution

    |

  11. If theta be any real, prove that : cos4 theta=1-8 sin^2 theta cos^2 t...

    Text Solution

    |

  12. If theta be any real, prove that : sin5 theta= 5sin theta-20 sin^3 the...

    Text Solution

    |

  13. Prove the following: cot x cot 2x -cot 2x cot 3x -cot 3x cot x = 1

    Text Solution

    |

  14. Prove that: sin 3x + sin 2x -sin x = 4sin x cosfrac(x)(2)cosfrac(3x)(2...

    Text Solution

    |

  15. Prove that: (sin 3x + sin x) sin x + (cos 3x -cos x) cos x = 0

    Text Solution

    |

  16. Prove that cos^2 x + cos^2 (x+ pi/3) + cos^2(x- pi/3) =3/2.

    Text Solution

    |

  17. If cos theta = (cos phi-e)/(1-e cos phi), show that : tan frac (theta)...

    Text Solution

    |

  18. Prove that : sin 36^@ sin 72^@ sin 108^@ sin 144^@ =5/16.

    Text Solution

    |

  19. Prove that sin frac (pi)(10)+ sin frac (13 pi)(10)=-1/2.

    Text Solution

    |

  20. Prove that : sin^2 18^@ +cos^2 36^@= 3/4.

    Text Solution

    |