Home
Class 10
MATHS
co60^(@)sin30^(@)+cos30^(@)sin60^(@)=....

`co60^(@)sin30^(@)+cos30^(@)sin60^(@)`=___.

Text Solution

Verified by Experts

The correct Answer is:
`1`
Promotional Banner

Topper's Solved these Questions

  • TRIGONOMETRY

    FULL MARKS|Exercise THINKING CORNER|3 Videos

  • TRIGONOMETRY

    FULL MARKS|Exercise EXERCISE 6.1|10 Videos

  • STATISTICS AND PROBABILITY

    FULL MARKS|Exercise Additional question solved|65 Videos

Similar Questions

Explore conceptually related problems

cos 60^(@) sin 30^(@) +cos 30^(@) sin 60^(@)=

cos60^(@) =___.

tan60^(@)cos60^(@)+cot60^(@)sin60^(@)=_____ .

cos30^(@)sin60^(@)+cos60^(@)sin30^(@)= ……………………

The value of (cos 30^(@)+isin 30^(@))/(cos 60^(@)-isin 60^(@)) is equal to

The value of cos60^(@)cos30^(@)-sin60^(@)sin30^(@) is equal is…………..

Find the value of ((cos1^(@)+sin1^(@))(cos2^(@)+sin2^(@))(cos3^(@)+sin3^(@))...(cos 45^@sin45^@))/( cos1^(@)cos2^(@)cos3^(@)...cos45^(@))

The value of sin 10^(@) sin 30^(@) sin 50^(@) sin 70^(@) is equal to .

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

FULL MARKS-TRIGONOMETRY-ADDITIONAL QUESTIONS SOLVED (III)
  1. co60^(@)sin30^(@)+cos30^(@)sin60^(@)=.

    Text Solution

    |

  2. Prove that sqrt((sectheta-1)/(sectheta+1))+sqrt((sectheta+1)/(sectheta...

    Text Solution

    |

  3. Prove that (1+cosA)/(sinA)+(sinA)/(1+cosA)=2cosecA

    Text Solution

    |

  4. Express the following sum or difference as a product (ii) cos 6 thet...

    Text Solution

    |

  5. Prove that (sin(90^(@)-theta))/(1+sintheta)+(costheta)/(1-cos(90^(@)-t...

    Text Solution

    |

  6. Prove that tantheta/(1-cottheta)+cottheta/(1-tantheta)=1+secthetacosec...

    Text Solution

    |

  7. Prove that (sin(90^(@)-theta))/(1-tantheta)+(cos(90^(@)-theta))/(1-cot...

    Text Solution

    |

  8. Prove that (tan(90^(@)-theta))/(cosectheta+1)+(cosectheta+1)/cottheta=...

    Text Solution

    |

  9. Prove that (cottheta+cosectheta-1)/(cottheta-cosectheta+1)=cosectheta+...

    Text Solution

    |

  10. Prove that (1+cottheta-cosectheta)(1+tantheta+sectheta)=2

    Text Solution

    |

  11. Prove that (sintheta-costheta+1)/(sintheta+costheta-1)=(1)/(cos theta-...

    Text Solution

    |

  12. Prove that 1/(cosectheta-cottheta)-1/(sintheta)=1/(sintheta)-1/(cosect...

    Text Solution

    |

  13. If tantheta=ntanalpha and sintheta=msinalpha then prove that cos^(2)th...

    Text Solution

    |

  14. If sintheta,costheta and tantheta are in G.P., then prove that cot^(6)...

    Text Solution

    |

  15. Find the value of cos 60^(@) + sin 60^(@)

    Text Solution

    |

  16. Find the value of cos 90^(@) + sin 90^(@)

    Text Solution

    |

  17. A1.5 m tall boy is standing at some distance from a 30 m tall building...

    Text Solution

    |

  18. Find the value of cos120^(@)

    Text Solution

    |