Home
Class 12
MATHS
(cos 13^(@) - sin 13^(@))/(cos 13^(@) + ...

`(cos 13^(@) - sin 13^(@))/(cos 13^(@) + sin 13^(@)) + (1)/(cot 148^(@))` is equal to

A

A. 1

B

B. `-1`

C

C. 0

D

D. `(1)/(2)`

Text Solution

Verified by Experts

The correct Answer is:
c
Promotional Banner

Topper's Solved these Questions

  • TS EAMCET 2015

    TS EAMCET PREVIOUS YEAR PAPERS|Exercise MATHEMATICS|79 Videos

  • TS EAMCET 2017

    TS EAMCET PREVIOUS YEAR PAPERS|Exercise MATHEMATICS|80 Videos

Similar Questions

Explore conceptually related problems

(Cos13-Sin13)/(Cos13+Sin13)+(1)/(Cot148^@)=

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

IS (cos A)/( sin A) equal to cot A ?

|{:(sin^(2)13^(@),sin^(2)77^@,tan135^(@)),(sin^(2)77^(@), tan 135^(@),sin^(2)13^(@)),(tan135^(@),sin^(2)13^(@),sin^(2)77^(@)):}|=

Find the maximum and the minimum values of the following function over R. (i) sin^(2) X (ii) 7 cos x -24 sin x + 5 (iii) 3 sin x-4 cos x (iv) 3 cos (4x -5) + 4 (v ) (sin x+ cos x) (vi) 5 sin x + 12 cosx + 13 (vii) (3 sin^(2) x+ 4) (ix) 5 sin x + 12 cos x -13

TS EAMCET PREVIOUS YEAR PAPERS-TS EAMCET 2016-Mathematic
  1. (x+1)/(x^(4)(x+2)) = (A)/(x) + (B)/(x^(2)) + (C )/(x^(3)) + (D)/(x^(4)...

    Text Solution

    |

  2. If cos^(3) theta + cos^(3)((2pi)/(3) + theta) + cos^(3)((4pi)/(3) + th...

    Text Solution

    |

  3. (cos 13^(@) - sin 13^(@))/(cos 13^(@) + sin 13^(@)) + (1)/(cot 148^(@)...

    Text Solution

    |

  4. If cos x + cos y + cos alpha = 0 and sin x + sin y + sin alpha = 0, th...

    Text Solution

    |

  5. If f(x)=Cos^(2)x+Cos^(2)2x+Cos^(2)3x then the number of x epsilon[0,2p...

    Text Solution

    |

  6. The value of x which satisfies sin(Cot^(-1) x) = cos(Tan^(-1) + (1+x))...

    Text Solution

    |

  7. For theta in (0, (pi)/(2)) "sech"^(-1) (cos theta) is equal to

    Text Solution

    |

  8. If Delta ABC is such that angle A = 90 ^(@) , angle B ne angle C " ...

    Text Solution

    |

  9. In Delta ABC, if 8R^(2) = a^(2) + b^(2) + c^(2), then the triangle is ...

    Text Solution

    |

  10. In Delta ABC, if 2R + r = r(2) then angleB =

    Text Solution

    |

  11. If ABCDEF is a regular hexagon with centre O , then P.T bar(AB)+bar(A...

    Text Solution

    |

  12. ABCD is a parallelogram and P is the midpoint of the side AD. The line...

    Text Solution

    |

  13. The vectors 2 hat(i) - 2 hat(j) + hat(k), hat(i) - 2 hat(j) + 3 hat(k)...

    Text Solution

    |

  14. a.b and c are three vectors such that |a| =1, |b| = 2, |c| = 3 and b,c...

    Text Solution

    |

  15. If a,b,c are unit vectors satisfying the relation a + b+sqrt(3) c = 0,...

    Text Solution

    |

  16. a is perpendicular to both b and c . The angle between b and c is (2 p...

    Text Solution

    |

  17. If the average of the first n numbers in the sequence 148, 146, 144,…....

    Text Solution

    |

  18. The standard deviation of a,a + d,a + 2d……,a + 2nd is

    Text Solution

    |

  19. Two events A and B are such that P(A) = (1)/(2), P(A|B) = (1)/(4) and ...

    Text Solution

    |

  20. A five digit number is formed by the digits 1,2,3,4,5 with no digit be...

    Text Solution

    |