Home
Class 14
MATHS
The value of (sin (78^@+theta)-cos (12^@...

The value of `(sin (78^@+theta)-cos (12^@-theta)+(tan^2 70^@-cosec^2 20^@))/(sin 25^@ cos65^@+cos 25^@ sin65^@)` is:
`(sin (78^@+theta)-cos (12^@-theta)+(tan^2 70^@-cosec^2 20^@))/(sin 25^@ cos65^@+cos 25^@ sin65^@)` का मान ज्ञात करें |

A

2

B

`-1`

C

`-2`

D

0

Text Solution

AI Generated Solution

Promotional Banner

Topper's Solved these Questions

  • SSC MATHS MAINS 2018 TRIGNOMETRY

    PINNACLE|Exercise Exercise|29 Videos
  • WORK AND TIME

    PINNACLE|Exercise EXERCISE|209 Videos

Similar Questions

Explore conceptually related problems

The value of (sin(78^@+theta)-cos(12^@-theta)+ (tan^2 70^@-cosec^2 20^@))/(sin25^@ cos65^@+ cos25^@ sin65^@) is:

sin25^(@)cos65^(@)+cos25^(@)sin65^(@)

sin25^(@)cos65^(@)+cos25^(@)sin65^(@)

2sin65^@cos25^@=

What is the value of cosec(65^@ + theta) - sec (25^@ -theta) + tan^2 20^@ - cosec^2 70^@ ?

Evaluate: sin 25^(@) cos 65^(@) + cos 25^(@) sin 65^(@) .

The value of ((sin(78^circ +θ) - cos (12^circ +θ) +(tan^(2)70^circ - cosec^(2)20^circ))/ (sin 25^circ cos 65^circ + cos 25^circ sin 65^circ) is: ((sin(78^circ +θ) - cos (12^circ +θ) +(tan^(2)70^circ - cosec^(2)20^circ))/ (sin 25^circ cos 65^circ + cos 25^circ sin 65^circ) का मान है :

The value of (sin25^(@)cos65^(@)+cos25^(@)sin65^(@))/(tan^(2)70^(@)-cosec^(2)20^(@))

The value of (sin65^(@))/(cos25^(@)) is

((cos 9^@+sin 81^@)(sec 9^@+ cosec 81^@))/(sin 56^@ sec 34^@+ cos 25^@ cosec 65^@) =?

PINNACLE-TRIGONOMETRY-EXERCISE
  1. If 3(cot^2 psi-cos^2 psi)= cos^2 psi, @ <psi <90^@, then the value of ...

    Text Solution

    |

  2. If (cos theta )/(1-sin theta )+(cos theta )/(1+sin theta )=4, 0^@< the...

    Text Solution

    |

  3. The value of (sin (78^@+theta)-cos (12^@-theta)+(tan^2 70^@-cosec^2 20...

    Text Solution

    |

  4. The value of sqrt((cosec psi- cot psi)/(cosec psi+ cot psi)) div (sin ...

    Text Solution

    |

  5. If cosec 39^@=x, then the value of 1/( cosec^2 51^@)+sin^2 39^@+tan^2 ...

    Text Solution

    |

  6. If sec theta+tan theta=p,(p>1) then (cosec theta+1)/(cosec theta-1) =?...

    Text Solution

    |

  7. The value cosec(67^@ +theta)-sec (23^@ -theta)+cos 15^@ cos35^@ cosec ...

    Text Solution

    |

  8. If 2 cos^2 theta+3 sin theta=3,where 0^@< theta< 90^@ then the value o...

    Text Solution

    |

  9. The value of (1+cot theta-cosec theta) (1+cos theta+sin theta)sec thet...

    Text Solution

    |

  10. The value of (sec^2 theta)/(cosec^2 theta)+(cosec^2 theta)/(sec^2 thet...

    Text Solution

    |

  11. The value of (2(sin^6 theta+cos^6 theta)-3(sin^4 theta+cos^4 theta))/ ...

    Text Solution

    |

  12. The value of sin^2 64^@+cos64^@ sin26^@+2cos43^@ cosec47^@ is : sin^...

    Text Solution

    |

  13. Find the value मान ज्ञात करें : ((sin theta-cos theta)(1+tan theta+c...

    Text Solution

    |

  14. Find the value मान ज्ञात करें : (sin theta+cos theta-1)/(sin theta-c...

    Text Solution

    |

  15. If (sin theta)/(1+cos theta)+(1+cos theta)/(sin theta)=4/sqrt3, 0^@< t...

    Text Solution

    |

  16. If x = 4cosA + 5sinA and y = 4 sinA - 5 cosA, then the value of x^2+y^...

    Text Solution

    |

  17. If A lies in the first quadrant and 6tanA = 5, then the value (8 sinA ...

    Text Solution

    |

  18. If A+B =45^@, then the value of 2(1+ tanA)(1+ tanB) is: यदि A+B =45...

    Text Solution

    |

  19. If 2sin theta+15 cos^2 theta=7, 0^@< theta<90^@, then tan theta+cos th...

    Text Solution

    |

  20. If (sec theta-tan theta)/(sec theta+tan theta)=3/5, then the value of ...

    Text Solution

    |