Home
Class 11
MATHS
1/(sin10^(@))-sqrt3/(cos10^(@))=...

`1/(sin10^(@))-sqrt3/(cos10^(@))=`

A

4

B

`-4`

C

2

D

`-2`

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • MULTIPLE & SUBMULTIPLE ANGLES

    AAKASH SERIES|Exercise EXERCISE-II|52 Videos

  • MULTIPLE & SUBMULTIPLE

    AAKASH SERIES|Exercise PRACTICE SHEET (EXERCISE - II) (LEVEL - II) (Linked Comprehension Type Questions)|5 Videos

  • MULTIPLE PRODUCT OF VECTORS

    AAKASH SERIES|Exercise PRACTICE EXERCISE|62 Videos

Similar Questions

Explore conceptually related problems

Show that 1/(sin 10^(@)) - (sqrt(3))/(cos 10^(@)) = 4 .

Prove that (sin70^(@)-cos40^(@))/(cos50^(@)-sin20^(@)) = 1/(sqrt(3)) .

Prove that (1)/(cos 290^(@))+(1)/(sqrt3 sin 250^(@) )=(4)/(sqrt3)

8 cos^(3) 10^(@) -6 cos 10^(@) =

If x and y are connected parametrically by the equations given in Exercises 1 to 10, without eliminating the parameter, Find (dy)/(dx) . x= (sin^(3)t)/(sqrt(cos 2t)), y= (cos^(3)t)/(sqrt(cos 2t)) .

I : sin^(2) 42^(@) - sin^(2) 12^(@)=(sqrt(5)+1)/(8) II : 8 cos^(3) 10^(@) - 6 cos10^(@)= sqrt(3)

AAKASH SERIES-MULTIPLE & SUBMULTIPLE ANGLES-PRACTICE EXERCISE
  1. A quadratic equation whose roots are tan15^(@) and cot15^(@) is

    Text Solution

    |

  2. If xcostheta=ycos(theta+120^(@))=z cos (theta+240^(@)) then xy+yz+zx=

    Text Solution

    |

  3. 1/(sin10^(@))-sqrt3/(cos10^(@))=

    Text Solution

    |

  4. sqrt3 cot20^(@)-4cos20^(@)=

    Text Solution

    |

  5. cos^(2)(theta-45^(@))+cos^(2)(theta+15^(@)-cos^(2)(theta-15^(@))=

    Text Solution

    |

  6. If 4 sin(60^(@) + theta ) sin (60^(@) - theta )-1=k cos 2 theta , th...

    Text Solution

    |

  7. cos6^(@) cos42^(@) cos66^(@) cos78^(@) =

    Text Solution

    |

  8. Show that sin""(pi)/5.sin""(2pi)/5.sin""(3pi)/5.sin""(4pi)/5=5/16.

    Text Solution

    |

  9. cos (pi/7) cos ((2pi)/(7) ) cos ( (4pi )/(7) ) =

    Text Solution

    |

  10. "sin"pi/14" sin"(3pi)/14" sin"(5pi)/14" sin"(7pi)/5=

    Text Solution

    |

  11. "sin"^(2)pi/8" + sin"^(2)(3pi)/8" + sin"^(2)(5pi)/8" + sin"^(2)(7pi)/8...

    Text Solution

    |

  12. "sin"^(4)pi/8" +sin"^(4)(3pi)/8" +sin"^(4)(5pi)/8" +sin"^(4)(7pi)/8=

    Text Solution

    |

  13. Show that (1+ cos. (pi)/(8))(1+cos. (3pi)/(8))(1+ cos. (5pi)/(8))(1+ c...

    Text Solution

    |

  14. If A=2 sin^(2) theta - cos 2 theta , then

    Text Solution

    |

  15. If x+y+z =xyz, then sum(2x)/(1-x^(2))=

    Text Solution

    |

  16. If xy+yz+zx=1 , then sum(x+y)/(1-xy)=

    Text Solution

    |

  17. If sqrt(1+sinA)+sqrt(1-sinA)=2"sin"A/2" then"A/2 in

    Text Solution

    |

  18. If A=340^(@) then 2 sin A//2=

    Text Solution

    |

  19. I : If 180^(@) lt theta lt 270^@ , sin theta = -3//5 " then " cos the...

    Text Solution

    |

  20. If A=cos^(2)10^(@)+cos^(2)50^(@)+cos^(2)70^(@), B="sin"^(4)(3pi)/8-"...

    Text Solution

    |