Home
Class 12
PHYSICS
cos(30^circ) is equal to...

`cos(30^circ)` is equal to

A

`(sqrt3)/(2)`

B

`(1)/(2)`

C

`(1)/(sqrt2)`

D

none

Text Solution

Verified by Experts

The correct Answer is:
A
`cos(30^@)=(sqrt3)/(2)`
Promotional Banner

Topper's Solved these Questions

  • CENGAGE PHYSICS DPP

    CENGAGE PHYSICS ENGLISH|Exercise subjective type|51 Videos

  • CENGAGE PHYSICS DPP

    CENGAGE PHYSICS ENGLISH|Exercise Multiple correct Answer Type|54 Videos

  • CAPACITOR AND CAPACITANCE

    CENGAGE PHYSICS ENGLISH|Exercise Integer|5 Videos

  • COULOMB LAW AND ELECTRIC FIELD

    CENGAGE PHYSICS ENGLISH|Exercise Single Answer Correct Type|22 Videos

Similar Questions

Explore conceptually related problems

The value of cos(-1710^(@)) is equal to

cos 1^(@) + cos2^(@) + cos 3^(@) + ….+cos 180^(@) is equal to

The value of cos(-89^(@))+cos(-87^(@))+cos(-85^(@))+…+cos(85^(@))+cos(87^(@))+cos(89^(@)) is equal to

(2tan30^@)/(1-tan^2 30^@) is equal to (a) cos60^@ (b) sin60^@ (c) tan60^@ (d) sin30^@

In a !ABC , 2r = r_(1) and A=30 , then cos (B - C)/2 is equal to

If the value of the sum 29(.^(30)C_(0))+28(.^(30)C_(1))+27(.^(30)C_(2))+…….+1(.^(30)C_(28))-(.^(30)C_(30)) is equal to K.2^(32) , then the value of K is equal to

cos1^@ . cos2^@ . cos3^@.........cos179^@ is equal to :

An angle of 30 radians is equal to how many degrees?

the number of d electrons in Co is equal to that of

The value of Sin (Cos 90) is equal to

CENGAGE PHYSICS ENGLISH-CENGAGE PHYSICS DPP-Single Correct Answer type
  1. If sintheta=(1)/(3), thencostheta will be

    Text Solution

    |

  2. sin(90^circ+theta) is

    Text Solution

    |

  3. cos(30^circ) is equal to

    Text Solution

    |

  4. If sintheta=(1)/(3), then costheta will be

    Text Solution

    |

  5. The spring force is given by F=-kx, here k is a constant and x is the ...

    Text Solution

    |

  6. A body is attached to a spring whose other end is fixed. If the spring...

    Text Solution

    |

  7. A particle starts moving with constant, velocity v=2(m)/(s), from posi...

    Text Solution

    |

  8. A stone is allowed to fall freely from a certain Height. Neglecting ai...

    Text Solution

    |

  9. If y=x^2+2x-3,y-x graph is

    Text Solution

    |

  10. The velcocity displacement graph of a particle moving along a straight...

    Text Solution

    |

  11. Which of the following best represents the graph of velocity (v) versu...

    Text Solution

    |

  12. Differentiation of sin(x^2) w.r.t. x is

    Text Solution

    |

  13. If y=2sin^2theta+tantheta then (dy)/(dtheta) will be

    Text Solution

    |

  14. If y=sinx and x=3t then (dy)/(dt) will be

    Text Solution

    |

  15. If y=sin(t^2), then (d^2y)/(dt^2) will be

    Text Solution

    |

  16. The displace ment of a body at any time t after starting is given by s...

    Text Solution

    |

  17. if y=x^2sinx+(3x)/(tanx), then (dy)/(dx) will be

    Text Solution

    |

  18. The value of the function (x-1)(x-2)^2 at its maxima is

    Text Solution

    |

  19. The adjacent sides of a rectangle with given perimeter as 100 cm and e...

    Text Solution

    |

  20. The area of a rectangle will be maximum for the given perimeter, when ...

    Text Solution

    |