Home
Class 9
MATHS
Given : 4 sintheta = 3 cos theta , find...

Given : `4 sintheta = 3 cos theta` , find the value of:
`4 cos^2theta-3sin^2 theta +2`

Text Solution

Verified by Experts

The correct Answer is:
`3(12)/25`
Promotional Banner

Topper's Solved these Questions

  • TRIGONOMETRICAL RATIOS

    ICSE|Exercise EXERCISE 22(A)|47 Videos

  • TRIANGLES

    ICSE|Exercise 4 MARKS QUESTIONS |24 Videos

  • TRIGONOMETRICAL RATIOS OF STANDARD ANGLES

    ICSE|Exercise EXERCISE 23(C)|118 Videos

Similar Questions

Explore conceptually related problems

Given : 4 sintheta = 3 cos theta , find the value of: cos theta

Given : 4 sintheta = 3 cos theta , find the value of: sin theta

Given : 4 sintheta = 3 cos theta , find the value of: cot^2 theta - "cosec"^2 theta

Given : 4 sin theta = 3 cos theta , find the value of : (i) sin theta (ii) cos theta (iii) cot^(2) theta - "cosec"^(2) theta (iv) 4 cos^(2) theta - 3 sin^(2) theta + 2

If sin theta = cos theta find the value of : 3 tan ^(2) theta+ 2 sin ^(2) theta -1

If sintheta=(3)/(4) ,then find the value of (2cos^(2)theta-3sin^(2)theta) .

If 3 sin theta + 4 cos theta=5 , then find the value of 4 sin theta-3 cos theta .

Solve: 7cos^2theta+3sin^2theta=4

Solve 7cos^2theta+3sin^2theta=4

if sintheta-costheta=0, then the value of (sin^4theta+cos^4theta)

ICSE-TRIGONOMETRICAL RATIOS -EXERCISE 22(B)
  1. Given : 4 sintheta = 3 cos theta , find the value of: cos theta

    Text Solution

    |

  2. Given : 4 sintheta = 3 cos theta , find the value of: cot^2 theta ...

    Text Solution

    |

  3. Given : 4 sintheta = 3 cos theta , find the value of: 4 cos^2theta-...

    Text Solution

    |

  4. Given : 17 cos theta = 15, find the value of tan theta + 2 sec theta.

    Text Solution

    |

  5. Given 5 cos A - 12 sin A = 0 , evaluate : (sinA+cosA)/(2 cosA-sinA)

    Text Solution

    |

  6. In the given figure, angleC = 90^@ and D is midpoint of AC. Find : ...

    Text Solution

    |

  7. In the given figure, angleC = 90^@ and D is midpoint of AC. Find : ...

    Text Solution

    |

  8. If 3 cos A = 4 sin A, find the value of : cos A

    Text Solution

    |

  9. If 3 cos A = 4 sin A, find the value of : 3 - cot^2A+ "cosec"^2A

    Text Solution

    |

  10. In triangle ABC, angleB = 90^@ and tan A = 0.75 If AC = 30 cm, find t...

    Text Solution

    |

  11. In rhombus ABCD, diagonals AC and BD intersect each other at point O. ...

    Text Solution

    |

  12. In triangle ABC, AB = AC = 15 cm and BC = 18 cm. Find : cos B

    Text Solution

    |

  13. In triangle ABC, AB = AC = 15 cm and BC = 18 cm. Find : sin C

    Text Solution

    |

  14. In triangle ABC, AB = AC = 15 cm and BC = 18 cm. Find : tan^2B - sec...

    Text Solution

    |

  15. In triangle ABC, AD is perpendicular to BC. sin B = 0.8, BD = 9 cm an...

    Text Solution

    |

  16. Given : q tan A = p, find the value of : (p sin A -q cos A)/(p sin A...

    Text Solution

    |

  17. If sin A = cos A, find the value of 2tan^2 A - 2 sec^(2)A + 5.

    Text Solution

    |

  18. In rectangle ABCD, diagonal BD = 26 cm and cotangent of angle ABD = 1....

    Text Solution

    |

  19. If 2 sin x = sqrt3 , evaluate . 4 sin^3 x- 3 sinx.

    Text Solution

    |

  20. If 2 sin x = sqrt3 , evaluate . 3 cos x - 4 cos^3x.

    Text Solution

    |