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Point is at a height of from surface of lake. The angel of elevation from point on a cloud is and angle of depression of image of cloud in water is then height of cloud from surface of lake is (A) (B) (C) (D)
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Question 1
a triangle with fixed base , the vertex moves such that If denote the length of the sides of the triangle opposite to the angles , respectively, then (b) the locus of point is an ellipsethe locus of point is a pair of straight linesQuestion Text | Point is at a height of from surface of lake. The angel of elevation from point on a cloud is and angle of depression of image of cloud in water is then height of cloud from surface of lake is (A) (B) (C) (D) |