Home
Class 12
MATHS
IF sin theta=4/5 and theta is not in the...

IF `sin theta=4/5` and `theta` is not in the first quadrant, find the value of `cos theta`.

Promotional Banner

Topper's Solved these Questions

  • IPE:MARCH-2017 [TS]

    SRISIRI PUBLICATION|Exercise SECTION-C|5 Videos

  • IPE:MARCH-2017[AP]

    SRISIRI PUBLICATION|Exercise Section-C (III. Answer any five of the following LAQs:)|7 Videos

Similar Questions

Explore conceptually related problems

IF sintheta=4/5 and theta is not in the first quadrant, find the value of cos theta , tan theta .

IF sintheta=-1/3 and theta does not lie in the 3^(rd) quadrant, find the value of cos theta and cot theta

If tan theta = -4//3 and theta is not in the fourth quadrant , then the value of 5 sin theta + 10 cos theta + 9 sec theta + 16 " cosec" theta + 4 cot theta =

If cot theta = 15//8 and theta is not in the first quadrant then sin theta =

(iv) If cos theta = k, 0 lt k lt 1 and 'theta' is not an angle in the first quadrant then find the values of the other trigonometric ratios in terms of k.

If cos theta =(3)/5 and theta is not in the first quadrant , then (5 tan(pi+ theta ) + 4 cos (pi-theta ))/( 5 sec ( 2pi- theta ) - 4 cot (2pi+ theta ))=

If cot theta=-3//4 and theta is not in the second quadrant , then 5 sin theta + 10 cos theta + 9 sec theta + 16 " cosec" theta - 4 cot theta =

SRISIRI PUBLICATION-IPE:MARCH-2017(TS)-QUESTIONS
  1. Find the vector equation of the line passing through the point 2overli...

    Text Solution

    |

  2. Find the angle between the vectors overlinei+2overlinej+3overlinek and...

    Text Solution

    |

  3. IF sin theta=4/5 and theta is not in the first quadrant, find the valu...

    Text Solution

    |

  4. Prove that cos48^@.cos12^@=(3+sqrt5)/8.

    Text Solution

    |

  5. IF coshx=5//2, then find the value of (i) cosh(2x) and (ii) sinh(2x)

    Text Solution

    |

  6. Show that |{:(1,a,a^2),(1,b,b^2),(1,c,c^2):}|=(a-b)(b-c)(c-a)

    Text Solution

    |

  7. IF overlinea,overlineb,overlinec are non-coplanar, then prove that the...

    Text Solution

    |

  8. IF overlinea=2overlinei+overlinej-overlinek,overlineb=-overlinei+2over...

    Text Solution

    |

  9. Find the range of 13cosx+3sqrt3 sin x-4

    Text Solution

    |

  10. Solve 1+sin^2 theta=3sin thetacostheta

    Text Solution

    |

  11. Show that cot(Sin^-1sqrt(13/17))=sin(Tan^-1""2/3).

    Text Solution

    |

  12. In DeltaABC, if 1/(a+c)+1/(b+c)=3/(a+b+c) then show that C=60^@

    Text Solution

    |

  13. If Q is the set of all rational numbers, and f:Qto Q is defined by f(x...

    Text Solution

    |

  14. If f={(4,5),(5,6),(6,-4)},g={(4,-4),(6,5),(8,5)} find (iii) fg

    Text Solution

    |

  15. Using Mathematical Induction, prove that statement for all n in N 1....

    Text Solution

    |

  16. Solve the following system of equations by using Cramer's rule. 2x-y...

    Text Solution

    |

  17. Show that the matrix A = [(1,2,1),(3,2,3),(1,1,2)] is non-singular and...

    Text Solution

    |

  18. IF A=[{:(1,2,2),(2,1,2),(2,2,1):}] then show that A^2-4A-5I=O.

    Text Solution

    |

  19. Find the shortest distance between the skew lines . bar(r)=(6bar(i)...

    Text Solution

    |

  20. IF A+B+C=2S, then prove that cos(S-A)+cos(S-B)+cosC=-1+4cos""(S-A)/2...

    Text Solution

    |