Home
Class 11
MATHS
State if the given angles are coterminal...

State if the given angles are coterminal. (i) `alpha=185^0,beta=-545^0` (ii) `alpha=(17pi)/(36),beta=(161pi)/(36)`

Promotional Banner

Topper's Solved these Questions

  • STRAIGHT LINES

    CENGAGE ENGLISH|Exercise All Questions|491 Videos

Similar Questions

Explore conceptually related problems

State if the given angles are coterminal. alpha=185^0,beta=-545^0 alpha=(17pi)/(36),beta(161pi)/(36)

State if the given pairs of angles are coterminal. (a) -185^@,535^@" (b) "1000^@,270^@" (c ) "(15pi)/4,-(17pi)/4

Find the value of sin (alpha - beta), cos (alpha -beta) and tan (alpha - beta), given sin alpha = (8)/(17) , tan beta = (5)/(12), alpha and beta in Quadrant I.

If alpha,beta are the roots of ax^(2)+bx+c=0 , find the value of (i) ((alpha)/(beta)-(beta)/(alpha))^(2) (ii) (alpha^(3))/(beta)+(beta^(3))/(alpha) .

If alpha,beta are roots of x^(2)-px+q=0 , find the value of (i) alpha^(2)+beta^(2) (ii) alpha^(3)+beta^(3) (iii) alpha-beta , (iv) alpha^(4)+beta^(4) .

If 0 lt alpha lt beta lt (pi)/(2) then

If alpha+beta=pi/4 then (1+tan alpha)(1+tan beta)=

If alpha+beta=pi/(4), then (1+"tan"alpha)(1+"tan"beta) is

Find the value of sin (alpha - beta), cos (alpha -beta) and tan (alpha - beta), given cos alpha = (-12)/(13) , cot beta = (24)/(7), alpha in Quadrant II, beta in Quadrant I.

Let alpha,beta be the roots of the equation ax^2+bx+c=0 . A root of the equation a^3x^2+abcx+c^3=0 is (i) alpha+beta (ii) alpha^2+beta (iii) alpha^2-beta (iv) alpha^2beta

CENGAGE ENGLISH-TRIGONOMETRIC FUNCTIONS-All Questions
  1. Let A,B,C, be three angles such that A=pi/4 and tanB tanC=pdot Find ...

    Text Solution

    |

  2. Solve cos2x >|sinx|,x in (pi/2,pi)

    Text Solution

    |

  3. State if the given angles are coterminal. (i) alpha=185^0,beta=-545^0 ...

    Text Solution

    |

  4. Prove that a triangle A B C is equilateral if and only if tanA+tanB+ta...

    Text Solution

    |

  5. If sinA=sin B and cosA=cosB , then find the value of A in terms of Bdo...

    Text Solution

    |

  6. Express 1.2 rad in degree measure.

    Text Solution

    |

  7. In triangle A B C , if cosA+cosB+cosC=7/4, t h e n R/r is equal to 3/4...

    Text Solution

    |

  8. Find the number of solutions of sin^2x-sinx-1=0in[-2pi,2pi]

    Text Solution

    |

  9. Find the length of an arc of a circle of radius 5cm subtending a ce...

    Text Solution

    |

  10. In an equilateral triangle, the inradius, circumradius, and one of the...

    Text Solution

    |

  11. Solve : (log)((-x^2-6x)//10)(sin3x+sinx)=(log)((-x^2-6x)//10)(sin2x)

    Text Solution

    |

  12. Find in degrees the angle subtended at the centre of a circle of di...

    Text Solution

    |

  13. The area of a regular polygon of n sides is (where r is inradius, R is...

    Text Solution

    |

  14. Find the value of theta which satisfy rsintheta=3 and r=4(1+sintheta)...

    Text Solution

    |

  15. If arcs of same length in two circles subtend angles of 60^0a n d75^0 ...

    Text Solution

    |

  16. If the sides a , b , c of a triangle A B C form successive terms of G....

    Text Solution

    |

  17. Solve: 16^(sin^(2)x) +16^(cos^(2)x)=10 ,0lt=x<2pi

    Text Solution

    |

  18. If secx+sec^2x=1 then the value of tan^8x-tan^4x-2tan^2x+1 will be e...

    Text Solution

    |

  19. In triangle A B C ,ifPdotQ ,R divides sidesB C ,A C , and A B , respec...

    Text Solution

    |

  20. Find the general value of theta which satisfy both sintheta=-1/2a n d...

    Text Solution

    |