Home
Class 12
MATHS
Find the values of the following: sin75^...

Find the values of the following: `sin75^0` (ii) `cos75^0` (iii) `sin15^0` (iv) `cos15^0`

Promotional Banner

Topper's Solved these Questions

  • TRIGNOMETRIC FUNCTIONS

    AAKASH INSTITUTE ENGLISH|Exercise Try Yourself|32 Videos

  • TRIGNOMETRIC FUNCTIONS

    AAKASH INSTITUTE ENGLISH|Exercise Assignment section-A (Objective Type Questions (One option is correct))|49 Videos

  • THREE DIMENSIONAL GEOMETRY

    AAKASH INSTITUTE ENGLISH|Exercise ASSIGNMENT SECTION - J|10 Videos

  • VECTOR ALGEBRA

    AAKASH INSTITUTE ENGLISH|Exercise SECTION-J (Aakash Challengers Questions)|5 Videos

Similar Questions

Explore conceptually related problems

Find the values of the following: t a n 15^0 ii. t a n 75^0

Find the value of : tan 75^0

Find the values of sin75^(@) .

Construct the angles of the following measurements: 30^0 (ii) 75^0 (iii) 105^0

Find the value of: sin75^(0)

Find the value of x in each of the following: (i) tan3x=sin45^0cos45^0+sin30^0 , (ii) cosx=cos60^0cos30^0+sin60^0sin30^0 , (iii) sin2x=sin60^0cos30^0-cos60^0sin30^0dot

Find the values of the following trigonometric ratios. (1) cos e c390^0 (ii) cot570^0 (iii) t a n480^0 (iv) cos270^0 (v) t a n(19pi)/3 (vi) s in((-11pi)/3) (vii) cot(-15pi)/4

Find the value of sin 75^(@) sin 15 ^(@).

Find the values of : (i) tan (-30^(@)) (ii) sin 120^(@) (iii) sin 135^(@) (iv) cos 150^(@) (v) sin 270^(@) (vi) cos 270^(@)

Evaluate the following: sin 78^0cos 18^0-cos 78^0sin 18^0

AAKASH INSTITUTE ENGLISH-TRIGNOMETRIC FUNCTIONS -Section - J (Akash Challengers Question)
  1. Find the values of the following: sin75^0 (ii) cos75^0 (iii) sin15^0...

    Text Solution

    |

  2. If cos^(2009)x(1) + cos^(2009)x(2) + cos^(2009)x(3) + ………. +cos^(2009)...

    Text Solution

    |

  3. If a cos^(3) alpha+3a cos alpha sin^(2) alpha=m and a sin^(3) alpha+3a...

    Text Solution

    |

  4. If alpha satisfies 15 sin^(4)alpha + 10 cos^(4)alpha=6, then find the ...

    Text Solution

    |

  5. If A= tan27theta - tantheta and B= (sintheta)/(cos 3theta) +(sin 3thet...

    Text Solution

    |

  6. If A=sqrt(3) cot 20^(@) - 4 cos20^(@) and B= sin12^(@) sin48^(@) sin54...

    Text Solution

    |

  7. If tan alpha = 1/sqrt(x(x^2+x+1)),tan beta=sqrtx/sqrt(x^2+x+1) and ...

    Text Solution

    |

  8. The number of values of x lying in [-pi, pi] and satisfying 2sin^2the...

    Text Solution

    |

  9. The number of solutions of the equation sinx.cosx(cosx-sinx)^(2). (sin...

    Text Solution

    |

  10. The number of solutions of the equation sin^(5)theta + 1/(sintheta) = ...

    Text Solution

    |

  11. The number of solutions of x in the interval [-pi, pi] of the equation...

    Text Solution

    |

  12. The general solution of the equation tan(x+20^@)tan(x-4 0^(@))=tan(x-...

    Text Solution

    |

  13. Let x in [0,2pi] The curve y=secx tanx +2tanx - sec x and the line y=2...

    Text Solution

    |

  14. Let p (x) be a polynomial with real coefficient and p (x)=x^(2)+2x+1. ...

    Text Solution

    |

  15. Let three sets be defined as A={x|cos2x + cosx+1=0} B={x|cos2x + 3...

    Text Solution

    |

  16. The number of solutions of the equation 2^|x|=1+2|cosx| is

    Text Solution

    |

  17. If the equation 1 +sin^2 xtheta= costheta has a non-zero solution in t...

    Text Solution

    |