Home
Class 11
MATHS
If "coses"theta-sintheta=m,sectheta-co...

If
`"coses"theta-sintheta=m,sectheta-costheta=n,"eliminate"theta`

A

0

B

1

C

(-1)

D

2

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • TRIGONOMETRIC FUNCTIONS

    PATHFINDER|Exercise QUESTION BANK|68 Videos

  • TRIGONOMETRIC RATIOS OF COMPOUND ANGLES

    PATHFINDER|Exercise QUESTIONBANK|25 Videos

Similar Questions

Explore conceptually related problems

If cosectheta-sintheta=m" and " sectheta-costheta=n , elimnate theta .

Prove the following identities: (cosec theta-sintheta)^2+(sectheta-costheta)^2-(tantheta-cottheta)^2=1

. Let f(theta)=|{:(cos^2theta,costhetasintheta,-sintheta),(sinthetacostheta,sin^2theta,costheta),(sintheta,-costheta,0):}|,"find" f(pi/3) .

If A = [(costheta,-sintheta),(sintheta,costheta)] , then the matrix A^(-50) , when theta = (pi)/(12) , is equal to

Evalute : |{:(cos^2 theta,costhetasintheta,-sintheta),(costhetasintheta,sin^2theta,costheta),(sintheta,-costheta,0):}|

If f(theta)=|{:(cos^2theta,costhetasintheta,-sintheta),(costhetasintheta,sin^2theta,costheta),(sintheta,-costheta," "0):}| , then find the value of f((pi)/6) .

If tan theta+sin theta=m and tan theta-sin theta=n , then

If A=[(costheta,sintheta),(-sintheta,costheta)] , then prove that A^(n)=[(cosntheta,sin n theta),(-sin ntheta,cos n theta)], n in N .

Simplify costheta[(costheta,sin theta),(-sintheta,costheta)]+sin[(sintheta,-costheta),(costheta,sintheta)]

The solution of the equation |(costheta,sintheta,costheta),(-sintheta,costheta,sintheta),(-costheta, -sintheta,costheta)|=0 is -

PATHFINDER-TRIGONOMETRIC RATIOS AND IDENTITIES-QUESTION BANK
  1. If thetane(2n+1)pi/2. ninI, then the least value of (sintheta+cosecthe...

    Text Solution

    |

  2. If sinx+sin^2x=1n then the value of cos^12x+3cos^10x+3cos^8x+cos^6x-1 ...

    Text Solution

    |

  3. If "coses"theta-sintheta=m,sectheta-costheta=n,"eliminate"theta

    Text Solution

    |

  4. Find the value of (1+cos (pi/8))(1+cos(3pi/8))(1+cos(5pi/8))(1+cos(7pi...

    Text Solution

    |

  5. (cos^4(pi/8))+(cos^4((3pi)/8))+(cos^4((5pi)/8))+(cos^4((7pi)/8)) is

    Text Solution

    |

  6. The value of underset(r=1)overset9sum sin^2(rpi)/18=

    Text Solution

    |

  7. If A+B+C=(3pi)/2, then cos2A +cos2B+cos2C is

    Text Solution

    |

  8. The number of points of intersection of 2y=1 and y=sinx, -2pilexle2pi

    Text Solution

    |

  9. If sinalpha, sinbeta and cosalpha are in G.P. then roots of the equati...

    Text Solution

    |

  10. If x=secphi-tanphi and y=cosecphi+cotphi, then

    Text Solution

    |

  11. For any triangle ABC, ((a+b+c)(b+c-a)(c+a-b)(a+b-c))/(4b^2c^2)is equa...

    Text Solution

    |

  12. Which one is correct?

    Text Solution

    |

  13. In a DeltaABC, if cotAcotBcotCgt0, then the Delta is

    Text Solution

    |

  14. cos(pi/14) + cos ((3pi)/14) + cos((5pi)/14)=

    Text Solution

    |

  15. If (2sinalpha)/(1+cosalpha+sinalpha)=x, then (1-cosalpha+sinalpha)/(1+...

    Text Solution

    |

  16. If secalpha and cosecalpha are two roots of x^2-px+q=0 then

    Text Solution

    |

  17. If costheta + sectheta = (-2) then cos^ntheta + sec^ntheta= (If n is e...

    Text Solution

    |

  18. Given A=sin^2theta +cos^4theta. Then for all real values of theta, whi...

    Text Solution

    |

  19. The minimum value of cos(cosx) is

    Text Solution

    |

  20. If S=cos^2(pi/n) + cos^2((2pi)/n) +....+ cos^2((n-1)pi)/n, then S equa...

    Text Solution

    |