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A man observes that the angle of elevation of the top of a tower from a point P on the ground is theta. He moves a certain distance towards the foot of the tower and finds that the angle of elevation of the top has doubled. He further moves a distance 3/4 of the previous and finds that the angle of elevation is three times that at P. The angle theta is given by |
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Answer» `SIN THETA = SQRT(5//12)` |
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