Home
Class 10
MATHS
In triangleABC,angleB=90^@.If AB=12 cm.B...

In `triangleABC,angleB=90^@`.If AB=12 cm.BC=5 cm.find sinA and sinC.

Promotional Banner

Topper's Solved these Questions

  • INTRODUCTION TO TRIGONOMETRY

    R G PUBLICATION|Exercise EXERCISE|95 Videos

  • CONSTRUCTIONS

    R G PUBLICATION|Exercise EXERCISE|1 Videos

  • MODEL PAPER 1

    R G PUBLICATION|Exercise EXERCISE|35 Videos

Similar Questions

Explore conceptually related problems

In a right triangle ABC, angleB = 90^@ If AC = 13 cm, BC = 5 cm, Find AB.

In a right triangle ABC, angleB = 90^@ If AB = 6 cm, BC = 8 cm, Find AC,

In a right triangle ABC, angleB = 90^@ If AC = 5 cm, BC = 3 cm, Find AB.

ABC is a right angled triangle where /_B = 90° . If AB=15 cm,BC= 8 cm then find sin C.

In a triangleABC,angleA=90^@ ,AB=5cm and AC=12cm.If AD_|_BC then the value of AD will be a)60/13 cm b)1/60cm c)13/2cm d) (2sqrt12)/13 cm

ABC is a right angle triangle where angleC=90° . If AB=30 cm, BC =18 cm then find (a) sinA, (b) secA, (c) cos B (d) cosec B, (e)cotB,(f) tanA

ABC is a right angled triangle where /_B = 90° . If AB=15 cm,BC= 8 cm then find tan C .

ABC is a right angled triangle where /_B = 90° . If AB=15 cm,BC= 8 cm then find sec C.

ABC is a right angled triangle where /_B = 90° . If AB=15 cm,BC= 8 cm then find cos A.

Of triangle ABC, angleB=90^@ and BD_|_AC .IF AB=c,BC=a,CA=b and BD=p then prove that , 1/p^2=1/a^2+1/c^2 .

R G PUBLICATION-INTRODUCTION TO TRIGONOMETRY-EXERCISE
  1. In triangleABC,angleB=90^@.If AB=12 cm.BC=5 cm.find sinA and sinC.

    Text Solution

    |

  2. IftriangleABCright-angled at B,AB=24cm,BC=7cm.Determine:(i)sinA,cosA

    Text Solution

    |

  3. IntriangleABCright-angled at B,AB=24cm,BC=7cm.Determine:(ii)sinC,cosC

    Text Solution

    |

  4. InFig.8.13,find tanP-cot R

    Text Solution

    |

  5. If sinA=3/4,calculate cosA and tanA

    Text Solution

    |

  6. Given 15 cotA=8,find sin A and sec A.

    Text Solution

    |

  7. Givensectheta=13/12,calculate all other trigonometric ratios.

    Text Solution

    |

  8. If angleA and angle B are acute such that cosA=cosB,then show that ang...

    Text Solution

    |

  9. If cottheta=7/8evaluate:(i)((1+sintheta)(1-sintheta))/((1+costheta)(1-...

    Text Solution

    |

  10. If cottheta=7/8evaluate:(ii)cot^2 theta

    Text Solution

    |

  11. If 3 cotA=4,check whether(1-tan^2A)/(1+tan^2A)=Cos^2A-Sin^2A or not.

    Text Solution

    |

  12. In triangle ABC,right-angled at B if tanA=1/sqrt3,find the value of:(i...

    Text Solution

    |

  13. In triangle ABC,right-angled at B if tanA=1/sqrt3,find the value of:(i...

    Text Solution

    |

  14. In trianglePQR,right-angled at Q,PR+QR=25cm and PQ=5cm.Determine the v...

    Text Solution

    |

  15. State whether the following are true or false.Justify your answer.(i)T...

    Text Solution

    |

  16. State whether the following are true or false.Justify your answer.(ii)...

    Text Solution

    |

  17. State whether the following are true or false.Justify your answer.(iii...

    Text Solution

    |

  18. State whether the following are true or false.Justify your answer.(iv)...

    Text Solution

    |

  19. State whether the following are true or false.Justify your answer.(v)s...

    Text Solution

    |

  20. Evaluate the following:(i)sin 60^@ cos30^@+sin 30^@ cos 60^@

    Text Solution

    |

  21. Evaluate the following:(ii)2 tan^@ 45^@+cos^2 30^@-sin^2 60^@

    Text Solution

    |