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JEE Main Mathematics question

MathematicsTrigonometric Ratio and IdentitiesJEE Main

In a right angled triangle, the hypotenuse is four times as long as the perpendicular drawn to it from the opposite vertex. One of the acute angles is

Answer: (A)

Solution

Let the hypotenuse be and one acute angle ; the legs are and . The altitude on the hypotenuse is

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Question ID VK-008281