Home
Class 9
MATHS
Find the value of angle A , if : 2 s...

Find the value of angle A , if :
2 sin A=1

Text Solution

Verified by Experts

The correct Answer is:
` A = 30 ^(@) `
Promotional Banner

Topper's Solved these Questions

  • CHAPTERWISE REVISION (STAGE 1)

    ICSE|Exercise co-ordinate Geometry|24 Videos

  • CHAPTERWISE REVISION (STAGE 1)

    ICSE|Exercise Graphical solution |10 Videos

  • CHAPTERWISE REVISION (STAGE 1)

    ICSE|Exercise solids|11 Videos

  • CHAPTER REVISION (STAGE 2)

    ICSE|Exercise DISTANCE FORMULA |12 Videos

  • CHAPTERWISE REVISION (STAGE 3)

    ICSE|Exercise DISTANCE FORMULA |11 Videos

Similar Questions

Explore conceptually related problems

Find the value of angle A , if : 2 sin 2A =1

Find the value of angle A , if : sin 2A = 1

Find the magnitude of angle A, if : 2sin^(2)A-3sinA+1=0

Find the magnitude of angle A, if : sin^(2)2A+sin^(2)60^(@)=1

Find the magnitude of angle A, if : sin^(2)2x+sin^(2)60^(@)=1

Find the value of sin^(-1)1 .

In Delta ABC , angle B = 90^(@) find the values of : sin A cos C + cos A sin C

If 2 cos (A-B) = 2 sin ( A+ B) = sqrt3 find the value of acute angles A and B .

Find the value of x for which f(x) = 2 sin^(-1) sqrt(1 - x) + sin^(-1) (2 sqrt(x - x^(2))) is constant

In Delta ABC , angle B = 90^(@) find the values of : cos A cos C -sin A sin C

ICSE-CHAPTERWISE REVISION (STAGE 1) -Trigonometry
  1. If cos A = 4 sin A , find the value of , 4 cos ^(2) A - 3 sin ^(2)...

    Text Solution

    |

  2. If 4 cos ^(2) A -3 =0 and 0^(@) le A le 90 ^(@) find : angla A

    Text Solution

    |

  3. If 4 cos ^(2) A -3 =0 and 0^(@) le A le 90 ^(@) find : cos 3A

    Text Solution

    |

  4. If 4 cos ^(2) A -3 =0 and 0^(@) le A le 90 ^(@) find : tan ^...

    Text Solution

    |

  5. If 2 cos (A-B) = 2 sin ( A+ B) = sqrt3 find the value of acute a...

    Text Solution

    |

  6. If cos A = (9)/(41) , find the value of (1)/(sin ^(2)A ) - cot ^...

    Text Solution

    |

  7. If (2 cos 2A-1) (tan 3A-1)= 0, find all possible values of A

    Text Solution

    |

  8. If tan A =1 and tan b = sqrt3 , evaluate : cos A cos B - sin A sin...

    Text Solution

    |

  9. If tan A =1 and tan b = sqrt3 , evaluate : sin A cos B+ cos A sin...

    Text Solution

    |

  10. Find the value of angle A , if : sin 2A = 1

    Text Solution

    |

  11. Find the value of angle A , if : 2 sin 2A =1

    Text Solution

    |

  12. Find the value of angle A , if : 2 sin A=1

    Text Solution

    |

  13. Using the given figure , find the value of angle A , if : (i) x= y...

    Text Solution

    |

  14. Find the 'x' in each of the following

    Text Solution

    |

  15. In the figures given below , find AB:

    Text Solution

    |

  16. In the given figure angle B = 90 ^(@) and angle ADB = x^(@) , Fin...

    Text Solution

    |

  17. Evaluate : tan 25^(@) tan 65 ^(@) - cot 25^(@) cot 65^(@)

    Text Solution

    |

  18. Evaluate : (sec 42^(@))/( cosec 48^(@)) + ( 3 tan 50 ^(@))/( cot 4...

    Text Solution

    |

  19. In Delta ABC , angle B = 90 ^(@) Evaluate : cosec A cos C - sin ...

    Text Solution

    |

  20. For triangle ABC prove that sec((A+B)/2)="cosec"C/2

    Text Solution

    |