Home
Class 12
MATHS
If sin theta+cos theta=1 then the value ...

If `sin theta+cos theta=1` then the value of `sin 2 theta` is equal to

A

1

B

`(1)/(2)`

C

0

D

-1

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • MAXIMA AND MINIMA

    HIMALAYA PUBLICATION|Exercise QUESTION BANK|167 Videos
  • Pair Of Lines

    HIMALAYA PUBLICATION|Exercise QUESTION BANK|129 Videos

Similar Questions

Explore conceptually related problems

If sin theta-cos theta=(1)/(2) ,then find the value of sintheta+costheta

If sin theta =cos theta ,then the value of 2tan theta+cos^(2)theta is:

If sin (theta+36^(@)) =cos theta find the value theta

If sin theta+cos theta=a then sin ^(4) theta+cos ^(4) theta=

If sqrt(3) tan theta =1 and theta is acute, find the value of sin 3 theta + cos 2 theta .

If Sin theta = 4/5 and Cos theta=3/5 find the value of Sin^(2)theta+Cos^(2) theta

If sqrt3 tan theta = 1 and theta is acute, find the value of sin 3 theta + cos 2 theta

If A = [{:(cos 2thet,,-sin 2theta),(sin 2theta,, cos 2theta):}] and A + A^(T) = 1 , where I is the unit matrix of 2 xx 2 & A^(T) is the transpose of A. then the value of theta is equla to

If (cos theta+i sin theta) .(cos 2 theta+i sin 2 theta) ldots ldots(cos m theta+i sin m theta)=1 then the value of theta is

If sin theta, cos theta, tan theta are in G.P.,then cos^(9)theta + cos^(6)theta + 3cos^(5)theta - 1 equals :

HIMALAYA PUBLICATION-MEASUREMENT OF ANGLES, TRIGONOMETRIC RATIOS AND RELATION BETWEEN SIDES AND ANGLES OF A TRIANGLE-QUESTION BANK
  1. The value of sin (pi)/(10) sin (13 pi)/(10) is

    Text Solution

    |

  2. The value of sin 50^(circ)-sin 70^(circ)+sin 10^(circ) is equal to

    Text Solution

    |

  3. If sin theta+cos theta=1 then the value of sin 2 theta is equal to

    Text Solution

    |

  4. If alpha+dot(beta)=(pi)/(4), then the value of (1+tan alpha)(1+tan bet...

    Text Solution

    |

  5. If sin theta=-(4)/(5) and theta lies in 3 quadrant then the value of c...

    Text Solution

    |

  6. The value of sin (pi/18)+sin ((pi)/(9))+sin 2(pi/9)+sin 5(pi/18) is gi...

    Text Solution

    |

  7. If A lies in the second quadrant and 3 tan A+4=0 then the value of 2 c...

    Text Solution

    |

  8. The value of cos ^(2) 48^(circ)-sin ^(2) 12^(circ) is

    Text Solution

    |

  9. If tan alpha=(1)/(7), tan beta=(1)/(3), then cos 2 alpha is equal to

    Text Solution

    |

  10. If tan theta=(a)/(b), then b cos 2 theta+a sin 2 theta is equal to

    Text Solution

    |

  11. In a triangle A B C, hat(A)=30^(circ), b=8, a=6, then b=sin ^(-1) x, w...

    Text Solution

    |

  12. In the triangle A B C, a=13, b=14, c=15 then sin (A)/(2)=

    Text Solution

    |

  13. If tan A=(1)/(3), tan B=(2)/(7) then cot (A+B)=

    Text Solution

    |

  14. If (cos A )/( a ) =(cos B)/(b)=(cos C)/(c) then the DeltaABC is

    Text Solution

    |

  15. In a triangle A B C, if a, b, c are in A.P then tan (A)/(2), tan (B)/(...

    Text Solution

    |

  16. 4 cos 36^(circ)+cot (7 (1)/(2))^(circ)=

    Text Solution

    |

  17. If a=5, b=13, c=12 in a triangle A B C, then tan ((B)/(4))=

    Text Solution

    |

  18. The value of sin^(2)5^(@)+sin^(2)10^(@)+sin^(2)15^(@)+ . . . .+sin^(2)...

    Text Solution

    |

  19. The triangle A B C is right angled at C, then tan A+tan B=

    Text Solution

    |

  20. The value of (cot 54^(circ))/(tan 36^(circ))+(tan 20^(circ))/(cot 70^(...

    Text Solution

    |