Home
Class 11
MATHS
If tan(picostheta)=cot(pisintheta), then...

If `tan(picostheta)=cot(pisintheta)`, then `cos(theta-(pi)/(4))=pm(1)/(2sqrt(2))`.

Promotional Banner

Topper's Solved these Questions

  • TRIGONOMETRIC FUNCTIONS

    CBSE COMPLEMENTARY MATERIAL|Exercise VERY SHORT ANSWER TYPE QUESTIONS|20 Videos
  • STRAIGHT LINES

    CBSE COMPLEMENTARY MATERIAL|Exercise SECTION-D (LONG ANSWER TYPE QUESTIONS )|23 Videos

Similar Questions

Explore conceptually related problems

If tan(picostheta) = cot(pisintheta) and cos(theta-(pi)/(4)) = pm(1)/(lambdasqrtmu) , then the value of lambda +mu is

I tan(picostheta)=cot(pisintheta), then cos(theta-pi/4) is (A) 0 (B) 1/(2sqrt(2) (C) 1/sqrt(2) (D) none of these

If tan(pi cos theta)=cot(pi sin theta) then sin(theta+(pi)/(4)) equals

tan (pi cos theta) = cot (pi sin theta)

If tan(pi.costheta)=cot(pi.sintheta), then: cos((pi)/(4)-theta)=..... (a) 1/2 (b) 1/sqrt2 (c) 1/(2sqrt2) (d) sqrt2/2

CBSE COMPLEMENTARY MATERIAL-TRIGONOMETRIC FUNCTIONS -SHORT ANSWER TYPE QUESTIONS
  1. Draw the graph of cosx, sin x and tan x in [0, 2pi]

    Text Solution

    |

  2. Draw sin x, sin 2x and sin 3x on same graph and with same scale

    Text Solution

    |

  3. Evaluate(i) cos 36^(@) (ii)tan((13pi)/(12))

    Text Solution

    |

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

    Text Solution

    |

  5. If tanA=tanB=xa n dcotB-cotA=y , prove that cot(A-B)=1/x+1/y

    Text Solution

    |

  6. If (sin(x+y))/(sin(x-y))=(a+b)/(a-b) , then show that (tanx)/(tany)=(...

    Text Solution

    |

  7. if coxx=cosalpha.cosbeta then prove that tan((x+alpha)/2)*tan((x-alpha...

    Text Solution

    |

  8. If tan(picostheta)=cot(pisintheta), then cos(theta-(pi)/(4))=pm(1)/(2s...

    Text Solution

    |

  9. If sin(theta+alpha)=aa n dsin(theta+beta)=b , prove that cos2(alpha-be...

    Text Solution

    |

  10. Find the range of 5 sin x – 12 cos x + 7

    Text Solution

    |

  11. If alpha and beta are the solutions of the equation atan theta+ b s...

    Text Solution

    |

  12. If alphaa n dbeta are the solutions of the equation at a ntheta+bs e c...

    Text Solution

    |

  13. 2 sin^(2) beta + 4 cos( alpha+ beta) sin alpha sin beta + cos ( 2 alph...

    Text Solution

    |

  14. If 81^(sin^2 x) + 81^(cos^2 x) = 30, where (pi//2) le x le pi, then x ...

    Text Solution

    |

  15. Find the smallest positive number p for which the equation cos (p sin...

    Text Solution

    |

  16. Find the smallest positive number p for which the equation cos (p sin...

    Text Solution

    |

  17. Solve: 4sinxsin2xsin4x=sin3x

    Text Solution

    |

  18. Solve: costheta cos2theta cos3theta =(1)/(4)

    Text Solution

    |

  19. (1+ "cos "(pi)/(8)) (1+ "cos"(3pi)/(8)) (1+ "cos" (5pi)/(8)) (1+ "cos ...

    Text Solution

    |

  20. prove that 4sinalpha.sin(alpha+pi/3).sin(alpha+(2pi)/3)=sin3alpha

    Text Solution

    |