Home
Class 12
MATHS
Find the value of cos60^(@) cos 30^(@)-s...

Find the value of `cos60^(@) cos 30^(@)-sin 60^(@) sin 30^(@)`

A

0.8716

B

0.8616

C

0.8816

D

0.8916

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • BINOMIAL THEOREM

    HIMALAYA PUBLICATION|Exercise QUESTION BANK|200 Videos

Similar Questions

Explore conceptually related problems

Find the value of sin55^(@)-cos35^(@) ?

Find the value of sin 38^(@)-cos 52^(@) .

Is it right to say that cos ( 60^(@) + 30 ^(@) ) = cos 60^(@) cos 30 ^(@) -sin 60^(@) sin 30 ^(@)

The value of sin10^(@).sin30^(@).sin50^(@).sin70^(@) is

Find x:sin 2x = sin 60^(@) cos 30^(@) - cos 60^(@) sin 30^(@) .

Find the values of sin 30^(@) + cos 30 ^(@) + tan 30 ^(@) + cot 30^(@) + sec 30 ^(@) + cosec 30^(@) .

Find the value of of: sin12^(@)-cos78^(@) .

The value of cos48^(@)cos42^(2)-sin48^(@)sin42^(@) is:

If sin x = sin 60^(@) cos 30^(@)- cos 60^(@) sin 30^(@) , then the value of x is

The value of sin 30^@ + cos 60^@ is

HIMALAYA PUBLICATION-APPLICATION OF DIFFERENTIATION-QUESTION BANK
  1. Approximate value of f(x) = 2x^(3)+7x+1 at x = 2.001 is

    Text Solution

    |

  2. The approximate value of tan (45^(o), 30^(')) given 1^(o) = 0.0175 rad...

    Text Solution

    |

  3. Find the value of cos60^(@) cos 30^(@)-sin 60^(@) sin 30^(@)

    Text Solution

    |

  4. If the radius of a sphere is measured as 7 m with an error of 0.02m, t...

    Text Solution

    |

  5. Each edge of a cube is increased by 50%. Find the percentage increase ...

    Text Solution

    |

  6. The length of the subnormal at any point(x,y) on the curve y^(2) = 4ax...

    Text Solution

    |

  7. The length of the sub - tangent to the curve x^(m)y^(n) = a^(m+n) at a...

    Text Solution

    |

  8. The length of subtangent to the curve x^(2)+xy+y^(2)=7 at (1, -3) is ...

    Text Solution

    |

  9. The abscissae of the points where the tangent to curve y = x^(3) - 3x^...

    Text Solution

    |

  10. The point at which the tangent to the curve y= 2x^(2) -x+1 is parallel...

    Text Solution

    |

  11. The equation to the tangent to the curve y = be ^(-x/a) at the point w...

    Text Solution

    |

  12. The slope of the tangent to the curve x=3t^(2)+1,y=t^(3)-1 at x=1 is

    Text Solution

    |

  13. For the curve xy=c^(2) the subnormal at any point varies as

    Text Solution

    |

  14. For the curve y^(n) -=a^(n-1)x if the subnormal at any point is a cons...

    Text Solution

    |

  15. If ST and SN are the lengths of the subtangent and the subnormal at th...

    Text Solution

    |

  16. If is the acute angle of intersection at a real point of intersection ...

    Text Solution

    |

  17. If the curve y=2x^(3)+ax^(2)+bx+c passes through the origin and the ta...

    Text Solution

    |

  18. The tangent and the normal drawn to the curve y=x^(2)-x+4 at P(1,4) c...

    Text Solution

    |

  19. The length of the subtangent to the curve x^(2)y^(2) = a^(4) at (-a, -...

    Text Solution

    |

  20. The point on the curve y^(2) = x where the tangent makes an angle (pi)...

    Text Solution

    |