Home
Class 12
MATHS
16 " sin " (20^(@)) " sin " (40^(@)) " s...

`16 " sin " (20^(@)) " sin " (40^(@)) " sin "(80^(@))` is equal to :

A

`sqrt(3)`

B

`2sqrt(3)`

C

3

D

`4sqrt(3)`

Text Solution

AI Generated Solution

Promotional Banner

Topper's Solved these Questions

  • JEE MAINS 2022

    JEE MAINS PREVIOUS YEAR|Exercise MATHEMATICS (SECTION B)|11 Videos
  • JEE MAINS 2022

    JEE MAINS PREVIOUS YEAR|Exercise Mathematics- Section A|20 Videos
  • JEE MAINS 2022

    JEE MAINS PREVIOUS YEAR|Exercise Mathematics-Section B|50 Videos
  • JEE MAINS 2021

    JEE MAINS PREVIOUS YEAR|Exercise Mathematics (Section A )|20 Videos
  • JEE MAINS 2023 JAN ACTUAL PAPER

    JEE MAINS PREVIOUS YEAR|Exercise Question|360 Videos

Similar Questions

Explore conceptually related problems

sin 10^(@) + sin 20^(@) + sin30^(@) +…+ sin 360^(@) is equal to

sin 12^(@) sin 48^(@) sin 54^(@) is equal to

(cos 20^(@)+8 sin 70^(@) sin 50^(@) sin 10^(@))/( sin^(2)80^(@)) is equal to

Prove that (i) " sin " 80^(@) "cos " 20^(@) - " cos " 80^(@) " sin " 20^(@) =(sqrt(3))/(2) (ii) " cos " 45^(@) " cos " 15^(@) - " sin " 45^(@) " sin " 15^(@) = (1)/(2) (iii) " cos " 75^(@) " cos " 15^(@) + " sin " 75^(@) " sin " 15^(2)= (1)/(2) (iv) " sin " 40^(@) " cos " 20^(@) " + cos " 40^(@) " sin " 20^(@) =(sqrt(3))/(2) (v) " cos " 130^(@) " cos " 40^(@) l + " sin " 130^(@) " sin " 40^(@) =0

sin 20^(@) sin 40^(@) sin 60^(@) sin 80^(@) =(3)/(16)

JEE MAINS PREVIOUS YEAR-JEE MAINS 2022-MATHEMATICS (SECTION A)
  1. Let f: R to R be defined as f(x) = x-1 and g : R -{1,-1} to R be de...

    Text Solution

    |

  2. If the system of equations alpha x + y + z = 5 , x + 2y + 3z = 4 , x...

    Text Solution

    |

  3. If A=sum(n=1)^oo 1/(3+(-1)^n)^n and B=sum(n=1)^oo (-1)^n/(3+(-1)^n)^n ...

    Text Solution

    |

  4. lim(x to 0) (cos(sinx)-cosx)/x^4 is equal to

    Text Solution

    |

  5. Let f(x) = min {1,1+x sin x} , 0 le x le 2pi . If m is the number of p...

    Text Solution

    |

  6. The sides of a cuboid are 2x,4x , 5x. There is a closed hemisphere of ...

    Text Solution

    |

  7. The area of the region bounded by y^(2) = 8x and y^(2) = 16(3-x) is e...

    Text Solution

    |

  8. If int 1/x sqrt((1-x)/(1+x)) dx = g (x) + c ,g (1) = 0 then g(1/2) is...

    Text Solution

    |

  9. If y = y(x) is the solution of the differential equation x (dy)/(dx) +...

    Text Solution

    |

  10. If the solution of differential equation (dy)/(dx) +e^(x) (x^(2)-2)y...

    Text Solution

    |

  11. If m, is the slope of a common tangent to the curves (x^(2))/16+(y^(2)...

    Text Solution

    |

  12. The locus of the mid -point of the line segment joining the point (4,3...

    Text Solution

    |

  13. The normal to the hyperbola (x^(2))/(a^(2))-(y^(2))/9 = 1 at the poin...

    Text Solution

    |

  14. If the plane 2x+ y - 5z = 0 is rotated about its line of intersection ...

    Text Solution

    |

  15. If the lines vec(r) = (hat(i) - hat(j) + hat(k)) + lambda (3 hat(j) - ...

    Text Solution

    |

  16. Let vec(a) = hat(i) + hat(j) + 2hat(k) , vec(b) = 2hat(i) - 3 hat(j) +...

    Text Solution

    |

  17. The mean and standard deviation of 50 observations are 15 and 2 respec...

    Text Solution

    |

  18. 16 " sin " (20^(@)) " sin " (40^(@)) " sin "(80^(@)) is equal to :

    Text Solution

    |

  19. Find cos^-1(3/10 cos (tan^-1(4/3)+2/5sin(tan^-1(4/3)))

    Text Solution

    |

  20. Let r in {p,q,~p,~q} be such that the logical statement r vv (~p) rAr...

    Text Solution

    |