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If 1+sin^(2)theta = 3sinthetacostheta, t...

If `1+sin^(2)theta = 3sinthetacostheta`, then prove that `tantheta=1` or `1/2`.

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EDUCART PUBLICATION-INTRODUCTION TO TRIGNOMETRY AND ITS APPLICATIONS -LONG ANSWER TYPE QUESTIONS
  1. A straight highway leads to the foot of a tower. A man standing at ...

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  2. The angle of elevation of the top of a building from the foot of the ...

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  3. If 1+sin^(2)theta = 3sinthetacostheta, then prove that tantheta=1 or 1...

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  4. From a point on the ground the angles of elevation of the bottom an...

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  5. A vertical tower stands on a horizontal land and is surmounted by a ve...

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  6. From a point on the ground, the angles of elevation of the bottom and...

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  7. A boy standing on a horizontal plane finds a bird flying at a distance...

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  8. If sin theta + cos theta = p and sec theta + "cosec"theta = q, then p...

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  9. The angle of elevation of a jet plane from a point A on the grou...

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  10. Prove that: ((1+ cot theta + tan theta)(sin theta - cos theta))/(sec^(...

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  11. If sec theta + tan theta = m, show that ((m^(2) -1))/((m^(2) +1)) = ...

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  12. A moving boat is observed from the top of a 150 m high cliff moving aw...

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  13. A ladder rests against a vertical wall at inclination alpha to the hor...

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  14. There are two temples, one on each bank of a river, just opposite t...

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  15. A boy standing on a horizontal plane finds a bird flying at a distance...

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  16. prove that: (tan theta)/(1-cot theta)+(cot theta)/(1-tan theta)=1+sec ...

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  17. The lower window of a house is at a height of 2m above the ground and ...

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  18. Prove that: (sin theta)/(cot theta + "cosec"theta) = 2 + (sin theta)/(...

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  19. Prove that (sinA -cos A+1)/(sin A + cos A - 1) = (1)/(sec A - tan A)

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  20. A man in a boat rowing away from a light house 100 m high takes 2 minu...

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