Home
Class 12
MATHS
Prove that (sin theta + sin 2 theta )/(1...

Prove that `(sin theta + sin 2 theta )/(1+cos 0 + cos 2 theta )= tan theta `

Promotional Banner

Topper's Solved these Questions

  • IPE SCANNER (TEXUAL BITS)

    SRISIRI PUBLICATION|Exercise Very Short Questions (2 marks) (Hyperbolic Functions)|23 Videos

  • IPE SCANNER (TEXUAL BITS)

    SRISIRI PUBLICATION|Exercise Very Short Questions (2 marks) (Product of vectors )|73 Videos

  • IPE SCANNER (TEXTUAL BITS)

    SRISIRI PUBLICATION|Exercise APPLICATIONS OF DERIVATIVES|48 Videos

  • IPE-MARCH-2016[TS]

    SRISIRI PUBLICATION|Exercise Section-c(III . Answer any five of the following LAQs:)|6 Videos

Similar Questions

Explore conceptually related problems

Prove that sin^(2) theta + cos^(2) theta =1

(sin 2 theta)/( 1+ cos 2 theta ) =

( sin 3 theta )/( sin theta ) -(cos 3 theta )/( cos theta )=

If 0 lt theta lt pi/2 , the solution of the equation sin theta - 3 sin 2 theta + sin 3 theta = cos theta - 3 cos 2 theta + cos 3 theta is

( cos 3 theta - sin 3 theta )/( cos theta+ sin theta ) =

Prove that (sin theta -cos theta+1 )/( sin theta + cos theta -1) =(1)/( sec theta -tan theta ) [use the identity sec ^(2) theta =1 +tan ^(2) theta ]

show that (1 + cos theta - sin^2 theta)/[(1 + cos theta)sin theta] = cot theta

Prove that (1 + sec theta) / sec theta = sin^2 theta /(1 - cos theta)

If sin theta + sin^(2) theta =1 , " then " cos^(2) theta + cos^(4) theta =

Prove that (sin theta - cos theta + 1)/(sin theta + cos theta - 1) = (1)/(sec theta - tan theta) using the identity sec^(2) theta = 1 + tan^(2) theta .

SRISIRI PUBLICATION-IPE SCANNER (TEXUAL BITS)-Very Short Questions (2 marks) (Trigonometric Ratios, Transformations)
  1. Prove that tan 3A. tan2A.tanA = tan3A - tan 2A - tan A

    Text Solution

    |

  2. Find tan 20^(@) + tan40^(@) + sqrt(3)tan20^(@)tan40^(@).

    Text Solution

    |

  3. Prove that (sin theta + sin 2 theta )/(1+cos 0 + cos 2 theta )= tan th...

    Text Solution

    |

  4. Express (1-costheta+sin theta)/(1+cos theta + sin theta) in terms of t...

    Text Solution

    |

  5. Simplify (cot 55^(@)cot35^(@)-1)/(cot55^(@)+cot35^(@))

    Text Solution

    |

  6. Express ((sqrt(3)cos 25^(@)+sin25^(@)))/(2) as a sine of an angle.

    Text Solution

    |

  7. Expres sqrt3 sin 0 + cos 0 as a sine of an angle .

    Text Solution

    |

  8. Express (cos theta - sin theta) as a cosine of an angle.

    Text Solution

    |

  9. Express tan theta in terms of tan alpha, if sin (theta + alpha) = cos ...

    Text Solution

    |

  10. Evaluate 6 sin 20^(@) - 8 sin^(3)20^(@).

    Text Solution

    |

  11. Prove that (sin70^(@)-cos40^(@))/(cos50^(@)-sin20^(@)) = 1/(sqrt(3)).

    Text Solution

    |

  12. Prove that sin 78^(@) + cos132^(@) = (sqrt(5)-1)/(4).

    Text Solution

    |

  13. Prove that sin21^(@)cos9^(@)-cos84^(@)cos6^(@)=1/4.

    Text Solution

    |

  14. Find the value of sin 34^(@) +cos 64^(@)- cos 4^(@)

    Text Solution

    |

  15. Prove that sin50^(@)-sin70^(@)+sin10^(@)=0

    Text Solution

    |

  16. Prove that 4(cos66^(@)+sin84^(@)) = sqrt(3) + sqrt(15).

    Text Solution

    |

  17. Prove that cos 20^(@) cos 40^(@) - sin5^(@) sin 25^(@) = (sqrt(3)+1)/(...

    Text Solution

    |

  18. Prove that cos theta + cos[(2pi)/3 + theta] + cos [(4pi)/(3) + theta] ...

    Text Solution

    |

  19. Prove that cos A + cos((4pi)/3 -A) + cos ((4pi)/3 + A) = 0.

    Text Solution

    |

  20. Find the value of sin 22(1/2)^(@)

    Text Solution

    |