Home
Class 11
MATHS
The value of (1-tan^(2)15^(@))/(1+tan^(2...

The value of `(1-tan^(2)15^(@))/(1+tan^(2)15^(@))` is

A

1

B

`sqrt(3)`

C

`(sqrt(3))/(2)`

D

`2`

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

( 1-tan ^(2) 45^(@) )/( 1+tan ^(2) 45^(@)) =

Find the value of : tan(15^(@))

The value of (3 tan 5^@-tan^3 5^@)/(1-3tan^2 5^@) is :-

The value of tan1^(@) tan2^(@) tan 3^(@)…..tan89^(@) is

Find the value of tan^(-1)("tan"(2pi)/3) .

Answer the following by a number or a word or a sentence : What is the value (tan1^(@)tan2^(@)tan3^(@)…..tan89^(@)) ?

If 3 cot A = 4 , check whether (1-tan^(2)A)/(1+tan^(2)A)=cos^(2)A-sin^(2)A is true or not.

Find the value of 4tan^(-1)(1/5)-tan^(-1)(1/(70))+tan^(-1)(1/(99))

The value of sec[tan^(-1)((b+a)/(b-a))-tan^(-1)(a/b)] is ____

Find the approximate values of (i) sin 1^(@) (ii) tan 2^(@)

KUMAR PRAKASHAN-TRIGONOMETRIC FUNCTIONS -SOLUTION OF NCERT EXEMPLAR PROBLEMS (OBJECTIVE TYPE QUESTIONS)
  1. Which of the following is not correct?

    Text Solution

    |

  2. The value of tan1^(@) tan2^(@) tan 3^(@)…..tan89^(@) is

    Text Solution

    |

  3. The value of (1-tan^(2)15^(@))/(1+tan^(2)15^(@)) is

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

  7. Which of the following is correct?

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

  10. The value of tan3A-tan2A-tanA is

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |