Home
Class 11
MATHS
If tantheta = 3andtheta lies in third qu...

If `tantheta = 3andtheta` lies in third quadrant, then the value of `sintheta` is

A

`(1)/(sqrt(10))`

B

`-(1)/(sqrt(10))`

C

`-(3)/(sqrt(10))`

D

`(3)/(sqrt(10))`

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • TRIGONOMETRIC FUNCTIONS

    KUMAR PRAKASHAN|Exercise SOLUTION OF NCERT EXEMPLAR PROBLEMS (FILLERS)|17 Videos
  • TRIGONOMETRIC FUNCTIONS

    KUMAR PRAKASHAN|Exercise QUESTION OF MODULE (KNOWLEDGE TEST)|15 Videos
  • TRIGONOMETRIC FUNCTIONS

    KUMAR PRAKASHAN|Exercise SOLUTION OF NCERT EXEMPLAR PROBLEMS (LONG ANSWER TYPE QUESTIONS)|10 Videos
  • STRAIGHT LINES

    KUMAR PRAKASHAN|Exercise Question of Module (Knowledge Test :)|18 Videos

Similar Questions

Explore conceptually related problems

If sintheta=(-4)/(5)andtheta lies in third quadrant, then the value of cos""(theta)/(2) is

If tan theta = 3 and theta is in third quadrant then sin theta = 3/sqrt10 .

If tan theta=(1)/sqrt(5) and theta lies in the first quadrant, the value of cos theta is :

If sintheta+costheta=1 , then the value of sin(2theta) is

If 3sintheta=2costheta then the value of sin2theta is …………..

sectheta=(17)/(2)andtheta is in IV^(th) quadrant. Find the value of other trigonometric functions.

If sin theta_1 + sintheta_2 + sin theta_3=3, then find the value of cos theta_1 + cos theta_2 + cos theta_3.

if sin^3theta=3/2 and sin3theta=4/3 then what is the value of sintheta

if sin2theta=pi/2 and costheta=pi/3 then what is the value of sintheta

KUMAR PRAKASHAN-TRIGONOMETRIC FUNCTIONS -SOLUTION OF NCERT EXEMPLAR PROBLEMS (OBJECTIVE TYPE QUESTIONS)
  1. The value of (1-tan^(2)15^(@))/(1+tan^(2)15^(@)) is

    Text Solution

    |

  2. The value of cos1^(@)cos2^(@)cos3^(@)…..cos179^(@) is

    Text Solution

    |

  3. If tantheta = 3andtheta lies in third quadrant, then the value of sint...

    Text Solution

    |

  4. The value of tan75^(@)-cot75^(@) is

    Text Solution

    |

  5. Which of the following is correct?

    Text Solution

    |

  6. If tanalpha=(m)/(m+1)andtanbeta=(1)/(2m+1) then (alpha+beta) is equal ...

    Text Solution

    |

  7. The minimum value of 3cosx+4sinx+8 is

    Text Solution

    |

  8. The value of tan3A-tan2A-tanA is

    Text Solution

    |

  9. The value of sin(45^(@)+theta)-cos(45^(@)-theta) is

    Text Solution

    |

  10. The value of cot((pi)/(4)+theta)cot((pi)/(4)-theta) is

    Text Solution

    |

  11. cos2thetacos2phi+sin^(2)(theta-phi)-sin^(2)(theta+phi) is equal to

    Text Solution

    |

  12. The value of cos12^(@)+cos84^(@)+cos156^(@)+cos132^(@) is

    Text Solution

    |

  13. If tanA=(1)/(2)andtanB=(1)/(3), then tan(2A+B) is equal to

    Text Solution

    |

  14. The value of sin""(pi)/(10)sin""(13pi)/(10) is

    Text Solution

    |

  15. The value of sin50^(@)-sin70^(@)+sin10^(@) is

    Text Solution

    |

  16. If sintheta+costheta=1, then the value of sin(2theta) is

    Text Solution

    |

  17. If alpha+beta=(pi)/(4), then the value of (1+tanalpha)(1+tanbeta) is

    Text Solution

    |

  18. If sintheta=(-4)/(5)andtheta lies in third quadrant, then the value of...

    Text Solution

    |

  19. The number of solutions of equation tanx+secx=2cosx lying in the inter...

    Text Solution

    |

  20. The value of sin((pi)/(18))+sin((pi)/(9))+sin((2pi)/(9))+sin((5pi)/(18...

    Text Solution

    |