Home
Class 12
MATHS
If cos(α+β)=0 , then sin(α−β), can b...

If `cos(α+β)=0` , then `sin(α−β)`, can be reduced to

Text Solution

Verified by Experts

The correct Answer is:
2
Promotional Banner

Topper's Solved these Questions

Similar Questions

Explore conceptually related problems

If cos(alpha + beta)=0 , then sin (alpha-beta) can be reduced to

If cos(α−β)=1 and cos(α+β)= 1/e , where α, β∈[−π,π]. Then number of ordered pairs of (α,β) is

If sin(120° – α) = sin(120° – β) and 0 < α, β < π then find the relation between α and β.

If cosα+cosβ= 3/2 ​ and sinα+sinβ= 1/2 ​ and θ is the arithmetic mean of α and β, then sin2θ+cos2θ is equal to

If cosα+cosβ= 3/2 ​ and sinα+sinβ= 1/2 ​ and θ is the arithmetic mean of α and β, then sin2θ+cos2θ is equal to

If cos2theta=0 , then |(0,costheta,sin theta),(cos theta, sin theta, 0),(sin theta, 0, cos theta)|^(2) is equal to…………

The expression (sin 22^0cos8^0+cos 158^0cos98^0)/(sin 23^0cos7^0+cos 157^0cos 97^0\ ) when simplified reduces to a. 1 b. -1 c. 2 d. none

The expression (sin 22^(@)cos 8^(@)+cos 158^(@) cos 98^(@))/(sin 23^(@) cos 7^(@)+cos 157^(@) cos 97^(@)) when simplified reduces to

Which of the following metal oxides can be reduced by CO?

If the equation ax^2+bx+c=0(a>0) has two roots α and β such that α 2 , then: a) b^2-4ac>0 b) c 0 d) 4a+2|b|+c <0

ALLEN-TEST PAPERS-part-2 Mathematics
  1. The value of cos1^o.cos2 ^o.cos3^o.....cos179^o is equal to

    Text Solution

    |

  2. If A=15 deg, verify that 4sin2A.cos4A.sin6A=1

    Text Solution

    |

  3. If cos(α+β)=0 , then sin(α−β), can be reduced to

    Text Solution

    |

  4. A(x(1),y(1)) and B(x(2),y(2)) are any two distinct points on the parab...

    Text Solution

    |

  5. If f:R rarr R is continous function satisying f(0) =1 and f(2x) -f(x)...

    Text Solution

    |

  6. Consider the parabola y^(2)=8x, if the normal at a point P on the par...

    Text Solution

    |

  7. If sinθ1+sinθ 2 +sinθ 3=3, then cosθ 1+cosθ 2+cosθ3 is equal to

    Text Solution

    |

  8. The equations of the transverse and conjugate axes of a hyperbola are...

    Text Solution

    |

  9. Find the locus of the midpoints of chords of hyperbola 3x^(2)-2y^(2)+4...

    Text Solution

    |

  10. Let f(x) = x^(2) - 5x + 6, g(x) = f(|x|), h(x) = |g(x)| The set of v...

    Text Solution

    |

  11. If θ is an acute angle and tanθ+cotθ=2 , find the value of tan^7θ...

    Text Solution

    |

  12. Find the least value of k such that the equation (ln x) + k = e^(x-k) ...

    Text Solution

    |

  13. Volume of tetrahedron formed by the planes x+y=0, y+z=0, z+x=0,x+y+z-1...

    Text Solution

    |

  14. If f' ((x)/(y)). f((y)/(x))=(x^(2)+y^(2))/(xy) AA x,y in R^(+) and f(1...

    Text Solution

    |

  15. Range of the function f defined by (x) =[(1)/(sin{x})] (where [.] an...

    Text Solution

    |

  16. The vlaue of sqrt3cot20^(@)-4cos20^(@), is

    Text Solution

    |

  17. Which of the following function is surjective but not injective. (a) ...

    Text Solution

    |

  18. f:RrarrR is a function satisfying f(x+5)gef(x)+5 and f(x+1)lef(x)+1. ...

    Text Solution

    |

  19. If f(x)=((1-tanx)/(1+sinx))^(cosec x) is to be made continuous at x=0,...

    Text Solution

    |

  20. If a(1) is the greatest value of f(x) , where f(x) =((1)/(2+[sinx])) (...

    Text Solution

    |