Home
Class 12
MATHS
The value of cos 15^(@) - sin 15^(@) is...

The value of `cos 15^(@) - sin 15^(@) ` is equal to

A

`(1)/(3)`

B

`(1)/(sqrt(2))`

C

`(1)/(2)`

D

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

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • TRIGONOMETRIC IDENTITIES

    ARIHANT PUBLICATION JHARKHAND|Exercise EXAM BOOSTER FOR CRACKING EXAM|35 Videos

  • TRIGNOMETRIC RATIOS

    ARIHANT PUBLICATION JHARKHAND|Exercise Exam Booster for Cracking Exam|25 Videos

  • VOLUME AND SURFACE AREA

    ARIHANT PUBLICATION JHARKHAND|Exercise Exam Booster For Cracking Exam |42 Videos

Similar Questions

Explore conceptually related problems

The value of cos15^(@)-sin15^(@) is

The value of cos 75^(@) cos 15^(@) is equal to

derive value of cos15^(@)

cos ec15^(@)+sec15^(@) is equal to

The value of (cos 15^(@) - sin 15^(@))/(cos 15^(@) + sin 15^(@) is

Write the value of 2sin 75^(@) sin15^(@)

sin 15^(@) + cos 105 ^(@) =

ARIHANT PUBLICATION JHARKHAND-TRIGONOMETRIC IDENTITIES-EXAM BOOSTER FOR CRACKING EXAM
  1. cot 85^(@) + cos 75^(@) can be expressed as

    Text Solution

    |

  2. (Sin theta -Cos theta +1)/(Sin theta+Cos theta -1)= ?

    Text Solution

    |

  3. The value of cos 15^(@) - sin 15^(@) is equal to

    Text Solution

    |

  4. If 8 sin x = 4 + cos x, then the values of sin x are

    Text Solution

    |

  5. sqrt((1+sin x)/(1-sin x))

    Text Solution

    |

  6. sqrt((secx-tanx)/(secx+tanx)) is equal to

    Text Solution

    |

  7. The value of (sin 7 A + sin 3 A)/(cos 7 A + cos 3 A) is equal to

    Text Solution

    |

  8. Prove: secA(1-sinA)(secA+tanA)=1

    Text Solution

    |

  9. The value of (Sin 2A)/(1 - cos 2 A)is

    Text Solution

    |

  10. cos^(4)theta-sin^(4)theta is :

    Text Solution

    |

  11. Show that sqrt(2+sqrt(2 +2 cos 4 theta))= 2 cos theta

    Text Solution

    |

  12. The value of (tan 47^(@) + tan 43^(@))/(1-tan 47^(@) tan 43^(@)) is

    Text Solution

    |

  13. If tanA=5/6a n dtanB=1/(11),\ p rov e\ t h a t\ A+B=pi/4

    Text Solution

    |

  14. The value of (1)/(sqrt(2)) (cos A - sin A) is

    Text Solution

    |

  15. sin ""(pi)/(4) cos ""(pi)/(12) - cos ""(pi)/(4) sin ""(pi)/(12) is eq...

    Text Solution

    |

  16. Prove than tan 56^(@) =("cos " 11^(@) + "sin " 11^(@))/("cos " 11^(...

    Text Solution

    |

  17. The value of (cos 15^(@) - sin 15^(@))/(cos 15^(@) + sin 15^(@) is

    Text Solution

    |

  18. If tan theta = (x sin phi)/(1-x cos phi) and tan phi =(y sin theta)/(...

    Text Solution

    |

  19. If sin(theta + alpha)=cos(theta + alpha) then the value of tan theta i...

    Text Solution

    |

  20. The value of cos^(2) (theta - phi)/(2) - sin^(2) (theta + phi)/(2) is

    Text Solution

    |