Home
Class 11
MATHS
If Cos theta(1) + Cos theta(2) + Cos th...

If `Cos theta_(1) + Cos theta_(2) + Cos theta_(3) = 3` then `Sin theta_(1) + Sin theta_(2) + Sin theta_(3) = `

A

0

B

1

C

3

D

`1/2`

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • TRIGONOMERTIC RATIOS

    AAKASH SERIES|Exercise EXERCISE- II|52 Videos

  • TRIGNOMETRIC EQUATIONS

    AAKASH SERIES|Exercise ADDITIONAL PRACTICE EXERCISE (PRACTICE SHEET (ADVANCED) INTEGER TYPE QUESTIONS)|2 Videos

  • TRIGONOMETRIC EQUATIONS

    AAKASH SERIES|Exercise Practice Exercise|49 Videos

Similar Questions

Explore conceptually related problems

If Sin theta_(1) + Sin theta_(2) + Sin theta_(3) = 3 then Cos theta_(1) + Cos theta_(2) + Cos theta_(3) =

If Cos theta - Sin theta = sqrt(2) Cos theta then Cos theta + Sin theta =

If theta _(1) ,theta _(2), theta _(3),.....theta _(n) are in A.P. then (sin theta_(1) + sin theta _(2 ) +...+ sin theta _(n))/( cos theta_(1) + cos theta _(2) + ...+ cos theta _(n))

If sin theta _1+ sin theta _2+ sin theta _3=3 " then " cos theta _1 + cos theta _2 + cos theta_3 =

If Sin theta + Cos theta = sqrt(3) Cos theta then 2 Cos theta - Sin theta=

If cos theta + sin theta = sqrt(2) cos theta then S.T cos theta - sin theta = sqrt(2) sin theta

If cos theta + sin theta =a , " then " sin 2 theta =

Show that (1)/(cos theta) - cos theta = tan theta. sin theta

Show that (1)/( cos theta ) -cos theta =tan theta .sin theta

AAKASH SERIES-TRIGONOMERTIC RATIOS-PRACTICE EXERCISE
  1. A= sin 1, B = cos 1, C = tan 1 then the ascending order is

    Text Solution

    |

  2. If Sin theta(1) + Sin theta(2) + Sin theta(3) = 3 then Cos theta(1) + ...

    Text Solution

    |

  3. If Cos theta(1) + Cos theta(2) + Cos theta(3) = 3 then Sin theta(1) +...

    Text Solution

    |

  4. If cos theta + sec theta = 2 then cos^(n) theta + sec^(n) theta =

    Text Solution

    |

  5. If cot theta + tan theta = 2 then cot^(n) theta + tan^(n) theta =

    Text Solution

    |

  6. If cot ( alpha + beta) = 0 then sin ( alpha + 2 beta) =

    Text Solution

    |

  7. If tan ( alpha + beta) = sqrt(3), tan ( alpha - beta ) =1 then tan 6 ...

    Text Solution

    |

  8. If n is even then sin theta + sin ( pi + theta ) + sin (2 pi + theta) ...

    Text Solution

    |

  9. sin 10^(@) + sin 20^(@) + sin30^(@) + .......sin 360^(@)=

    Text Solution

    |

  10. cos 20^(@) + cos 40^(@) + cos 60^(@) +...+cos160^(@)+cos 180^(@)=

    Text Solution

    |

  11. cos5^(@) + cos 24^(@) + cos 175^(@) + cos 204^(@) + cos 300^(@) =

    Text Solution

    |

  12. cos. (pi)/(13) + cos. (5pi)/(13) + cos. (8pi)/(13) + cos. (12pi)/(13)=

    Text Solution

    |

  13. cos. (3pi)/(19) + cos . (7pi)/(19) + cos. (12pi)/(19) + cos. (16pi)/(1...

    Text Solution

    |

  14. tan. (pi)/(10) + tan. (3pi)/(10) + tan. (7pi)/(10) + tan. (9pi)/(10) ...

    Text Solution

    |

  15. If alpha , beta are supplementary angles , then cos^(2)alpha + sin^(...

    Text Solution

    |

  16. If ABCD is a quadrilateral then Sec^(2) ((A+B)/(4))- Cot^(2) ((C+D)/(...

    Text Solution

    |

  17. If ABCD is a cyclic quadrilateral then co (180^(@) +A) + cos (180^(@)...

    Text Solution

    |

  18. If alpha , beta are complementary angles , sin alpha = 3//5 , then s...

    Text Solution

    |

  19. Prove that sin^(2)5^(@) +sin^(2)10^(@) + sin^(2)15^(@)+...+sin^(2)90^(...

    Text Solution

    |

  20. cos^(2)5^(@)+cos^(2)10^(@)+cos^(2)15^(@)+.....+cos^(2) 90^(@)=

    Text Solution

    |