Home
Class 14
MATHS
Find the value of sin^(2)(120^(@)-A)+s...

Find the value of
`sin^(2)(120^(@)-A)+sin^(2)A+sin^(2)(120^(@)+A):`

A

44257

B

44230

C

44232

D

`sqrt3/2`

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • TIME, SPEED AND DISTANCE

    QUANTUM CAT|Exercise QUESTION BANK|368 Videos

Similar Questions

Explore conceptually related problems

Find the value of: sin120^(@)

Find the value of sin120^(@) .

Find the value of sin^(2)5^(@)+ sin^(2)10^(@)+ sin^(2)15^(@)+* * * +sin^(2)90^(@) .

Find the value of sin1^(@).sin2^(@).sin3^(@)…sin180^(@) .

Find the value of sin^(2)1^(@)+sin^(2)2^(@)+sin^(2)3^(@)+ ----+sin^(2)87^(@)+sin^(2)88^(@)+sin^(2)89^(@)+sin^(2)90^(@) .

Find the value of sin37(1/2)^(@).sin7 (1/2)^(@)

Find the value of sin^(-1)(sin(2 pi)/(3))

Find the value of (sin^2 33^@ + sin^2 57^@)

Find the value of sin^(-1)(sin((2pi)/3))

Given that sin30^(@)=1//2 and cos 30^(@)=sqrt3//2 . Determine the values of sin 60^(@), sin 120^(@), sin 240^(@), sin 300^(@) , and sin (-30^(@)) .

QUANTUM CAT-TRIGONOMETRY-QUESTION BANK
  1. solve the following expression cos32^@ cdot cos28^@-sin32^@ cdot sin28...

    Text Solution

    |

  2. If cosA=(3)/(5) and sinB=(5)/(13), find the value of (tanA+tanB)/(1-t...

    Text Solution

    |

  3. Find the value of sin^(2)(120^(@)-A)+sin^(2)A+sin^(2)(120^(@)+A):

    Text Solution

    |

  4. If cos(alpha+beta)=(4)/(5) and sin(alpha-beta)=(5)/(13) and alpha, bet...

    Text Solution

    |

  5. Find the maximum and minimum values of 8costheta+15sintheta:

    Text Solution

    |

  6. Find the valueof 2cos45^(@).cos15^(@):

    Text Solution

    |

  7. Find the value of (sin75^(@)+sin15^(@))/(cos75^(@)+cos15^(@)) :

    Text Solution

    |

  8. Find the value of cos20^(@)+cos100^(@)+cos140^(@):

    Text Solution

    |

  9. cos20^(@).cos40^(@).cos60^(@).cos80^(@) is :

    Text Solution

    |

  10. What is the value of , (sin(90^@-theta)sec(180^@-theta)sin(-theta))/...

    Text Solution

    |

  11. If sin(alpha+beta)=(4)/(5), sin(alpha-beta)=(5)/(13), find the value o...

    Text Solution

    |

  12. Find the value of (cos2B-cos 2A)/(sin2A+sin2B):

    Text Solution

    |

  13. (sinA+sin3A+sin5A+sin7A)/(cosA+cos3A+cos5A+cos7A) is :

    Text Solution

    |

  14. If costheta=3/5, find the value of sin2theta :

    Text Solution

    |

  15. find the value of expression (sin2x)/(1+cos2x) is:

    Text Solution

    |

  16. find the value of the following expression cos^4theta-sin^4theta is :

    Text Solution

    |

  17. If cotx=(a)/(b), find the value of a cos2x+b sin 2x

    Text Solution

    |

  18. Find the value of cot3theta:

    Text Solution

    |

  19. Find the value of sin(22 1/2)^@ :

    Text Solution

    |

  20. If 2 cos theta=x+(1)/(x), find the value of 2cos 3 theta

    Text Solution

    |