Home
Class 10
MATHS
If sin 3A = cos (A- 26^@) where 3A is an...

If sin 3A = cos (A- `26^@`) where 3A is an acute angle, find the value of A.

Promotional Banner

Topper's Solved these Questions

  • INTRODUCTION TO TRIGONOMETRY

    MBD|Exercise EXERCISE|176 Videos
  • COORDINATE GEOMETRY

    MBD|Exercise EXERCISE|64 Videos
  • PAIR OF LINEAR EQUATIONS IN TWO VARIABLES

    MBD|Exercise EXERCISE|183 Videos

Similar Questions

Explore conceptually related problems

If tan 2A = cot (A - 18^@ ) where 2A is an acute angle, find the value of A.

If tan 2A = cot (A -18^@) , where 2A is an acute angle, find the value of A.

If sec 4A = cosec (A - 20^@ ), where 4A is an acute angle, find the value of A.

If sec 4A = cosec (A - 20^@) , where 4A is an acute angle, find the value of A.

If cosec 2A = sec (A + 6^@ ) where 2A and A + 6^@ are acute angles find the value of A.

If cos 3 theta = sin ( theta - 6^@ ) where 3 theta and theta - 6^@ are acute angles, find the value of theta .

If sin A = cos B, both A and B are acute angles, find A + B.

If sin 3 theta = cos (theta-6^@) where 3 theta and theta-6^@ are acute angles, find the value of theta .

MBD-INTRODUCTION TO TRIGONOMETRY-EXERCISE
  1. Evaluate : tan 15^@ tan25^@tan60^@tan65^@tan75^@ .

    Text Solution

    |

  2. Evaluate : tan65^@/cot25^@ .

    Text Solution

    |

  3. If sin 3A = cos (A- 26^@) where 3A is an acute angle, find the value o...

    Text Solution

    |

  4. Evaluate : (cos80^@)/(sin10^@)+cos59^@ cosec31^@ .

    Text Solution

    |

  5. Without using Trigonometric Tables evaluate the following :- sec70^@si...

    Text Solution

    |

  6. Without using Trigonometric Tables evaluate the following :- (2cos38^@...

    Text Solution

    |

  7. Without using Trigonometric Tables evaluate the following :- (cosec^2 ...

    Text Solution

    |

  8. Without using Trigonometric Tables evaluate the following :- (cos35^@...

    Text Solution

    |

  9. Without using Trigonometric Tables evaluate the following :- (cos58^@)...

    Text Solution

    |

  10. Without using Trigonometric Tables evaluate the following :- ((tan20^@...

    Text Solution

    |

  11. Without using Trigonometric Tables evaluate the following :- 3((sin36^...

    Text Solution

    |

  12. Without using Trigonometric Tables evaluate the following :- (tan 48)/...

    Text Solution

    |

  13. Without using Trigonometric Tables evaluate the following :- sinthetac...

    Text Solution

    |

  14. Without using Trigonometric Tables evaluate the following :- (2cos67^@...

    Text Solution

    |

  15. Without using Trigonometric Tables evaluate the following :- (2cos65^@...

    Text Solution

    |

  16. Without using Trigonometric Tables evaluate the following :- 2[(cos^2 ...

    Text Solution

    |

  17. Without using Trigonometric Tables evaluate the following :- (sec50^@...

    Text Solution

    |

  18. Without using Trigonometric Tables evaluate the following :- (1/2sec^2...

    Text Solution

    |

  19. Without using Trigonometric Tables evaluate the following :- (2sin68^@...

    Text Solution

    |

  20. Evaluate : (sin70^@)/(cos 20^@)+(cosec36^@)/(sec54^@)-(2cos43^@cosec47...

    Text Solution

    |