Home
Class 10
MATHS
If 8tanA=15 , find sinA-cosA...

If `8tanA=15` , find `sinA-cosA`

Promotional Banner

Topper's Solved these Questions

  • TRIGONOMETRIC IDENTITIES

    RD SHARMA|Exercise All Questions|254 Videos

Similar Questions

Explore conceptually related problems

If A lies in the first quadrant and 6tanA = 5, then the value (8 sinA -4 cosA)/(cosA + 2 sinA) is : यदि A प्रथम चतुर्थाश में स्थित है तथा 6tanA = 5 है, तो (8 sinA -4 cosA)/(cosA + 2 sinA) का मान क्या होगा ?

If 3sinA +4cosA=4, " then find " 4sinA -3cosA .

If an angle A of a triangle ABC is given by 3 tanA+1=0 , then sinA and cosA are the roots of the equation

If A=130^(@) and x=sinA+cosA , then

In triangle ABC , right angled at B, if tanA =1/2 , then the value of (sinA(cosC + cosA))/(cosC(sinC - sinA)) is: triangle ABC में B एक समकोण है यदि tanA =1/2 तो (sinA(cosC + cosA)) /(cosC(sinC - sinA)) का मान क्या होगा ?

If cotA=(4)/(5) , then ((sinA+cosA))/((sinA-cosA))=?

If A=130^(@)and x=sinA+cosA, then

If sinA=1/3 then cosA. cosecA+tanA.secA=

RD SHARMA-TRIGONOMETRIC RATIOS-All Questions
  1. If tantheta=(24)/7 , find that sintheta+costheta

    Text Solution

    |

  2. If sintheta=a/b , find sectheta+tantheta in terms of a and b .

    Text Solution

    |

  3. If 8tanA=15 , find sinA-cosA

    Text Solution

    |

  4. If 3costheta-4sintheta=2costheta+sintheta , find tantheta .

    Text Solution

    |

  5. If tantheta=(20)/(21) , show that (1-sintheta+costheta)/(1+sintheta...

    Text Solution

    |

  6. If cos e c\ A=2 , find the value of 1/(tanA)+(sinA)/(1+cosA)

    Text Solution

    |

  7. If /A and /B are acute angles such that cos A=cos B . then show tha...

    Text Solution

    |

  8. If angleA and angleP are acute angle such that tanA=tanP, then show th...

    Text Solution

    |

  9. In a /\A B C , right angled at A , if tanC=sqrt(3) , find the valu...

    Text Solution

    |

  10. State whether the following are true or false. Justify your answer. ...

    Text Solution

    |

  11. State whether the following are true or false. Justify your answer. ...

    Text Solution

    |

  12. Evaluate each of the following in the simplest form: sin60ocos30o+c...

    Text Solution

    |

  13. Evaluate the following expressions: 2sin^2 30otan60o-3cos^2 60osec^...

    Text Solution

    |

  14. Evaluate the following expressions: 4cot^2 45o-sec^2 60o+sin^2 60o+...

    Text Solution

    |

  15. Evaluate each of the following: (sin^2 45o+cos^2 45o)/(tan^2 60o) (...

    Text Solution

    |

  16. Evaluate each of the following: (sin60o)/(cos^2 45o)-cot30o+15cos90...

    Text Solution

    |

  17. Show that: 2(cos^2 45o+tan^2 60o)-6(sin^2 45o-tan^2 30o)=6 (ii) 2...

    Text Solution

    |

  18. Solve each of the following equations when 0o<theta<90o . 2costheta...

    Text Solution

    |

  19. Solve each of the following equations when 0o<theta<90o . 2sin^2the...

    Text Solution

    |

  20. Find the value of theta in each of the following: (i)2sin2theta=sqrt...

    Text Solution

    |