Home
Class 11
MATHS
If tantheta=(1)/(2) and tanphi=(1)/(3),...

If `tantheta=(1)/(2) and tanphi=(1)/(3)`, then the value of `theta+phi` is

A

`(pi)/(6)`

B

`(pi)`

C

0

D

`(pi)/(4)`

Text Solution

Verified by Experts

The correct Answer is:
d
Promotional Banner

Topper's Solved these Questions

  • TRIGONOMETRIC FUNCTIONS

    CBSE COMPLEMENTARY MATERIAL|Exercise VERY SHORT ANSWER TYPE QUESTIONS ( Fill in the blanks )|5 Videos
  • 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

If tan theta=(1)/(2) and tan phi=(1)/(3), then the value of theta+phi is

If tantheta=(1)/(2)andtanphi=(1)/(3) , then theta+phi=?

If sin theta=(1)/(2) and sin phi=(1)/(3), find the value of sin(theta+phi) and sin(2 theta+2 phi)

If tan theta=1/2 and tan phi=1/3, then tan(2 theta+phi)

If tan theta = 1 and sin phi = (1)/( sqrt(2)) , then the value of cos (theta + phi) is

If theta+phi=(pi)/(2)andsintheta=(1)/(2) , then the value of sinphi is

If tan((theta)/(2))=5/2and tan((phi)/(2))=3/4, the value of cos(theta+phi), is

If sin theta+sin phi=(1)/(4) and cos theta+cos phi=(1)/(5) then value of sin(theta+phi) is

CBSE COMPLEMENTARY MATERIAL-TRIGONOMETRIC FUNCTIONS -SHORT ANSWER TYPE QUESTIONS
  1. If tantheta=(1)/(2) and tanphi=(1)/(3), then the value of theta+phi i...

    Text Solution

    |

  2. Find the length of an arc of a circle of radius 5cm subtending a ce...

    Text Solution

    |

  3. If sin A =(3)/(5) and (pi)/(2) lt A lt pi  Find cos A, sin 2A

    Text Solution

    |

  4. What is the sign of cos( x/2) – sin(x/2) when (i) 0lt x lt pi/4 (ii) (...

    Text Solution

    |

  5. सिद्ध कीजिए: cos510^(@) cos 330^(@) + sin 390^(@) cos 120^(@) =-

    Text Solution

    |

  6. Find the maximum and minimum value of 24 sin x +7 cos x

    Text Solution

    |

  7. The value of sin(pi+theta)sin(pi-theta)cosec^(2)theta is equal to

    Text Solution

    |

  8. Find the angle in radians between the hands of a clock at 7: 20 PM

    Text Solution

    |

  9. If cot alpha=(1)/(2) , sec beta=(-5)/(3) where pi lt alpha lt (3pi)/2 ...

    Text Solution

    |

  10. If cosx =(-1)/(3) and pi lt x lt (3pi)/(2) Find the value of cos (x/2)...

    Text Solution

    |

  11. If tan A=(a)/(a+1) and tan B=(1)/(2a+1) then find the value of A+B

    Text Solution

    |

  12. A horse is tied to a post by a rope. If the horse moves along a circul...

    Text Solution

    |

  13. Find the minimum and maximum value of sin^(4)x+cos^(2) x where x in R

    Text Solution

    |

  14. If sec x cos 5x + 1 =0, 0 lt x lt 2pi, then x =

    Text Solution

    |

  15. Solve : sqrt(3)cosx - sin=1.

    Text Solution

    |

  16. Solve 2 tan^(2)x + sec^(2) x= 2

    Text Solution

    |

  17. sqrt(2)sectheta+tantheta=1

    Text Solution

    |

  18. Solve 3 tan x + cot x = 5 cosec x

    Text Solution

    |

  19. find x if 3tan(x-1 5^(@))=tan(x+1 5^(@))

    Text Solution

    |

  20. Solve tan x+tan 2x + sqrt3 tan x tan 2x= sqrt3

    Text Solution

    |

  21. Solve tan x+secx = sqrt3

    Text Solution

    |