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Principle Of Mathematical Induction
Let D km denote the diameter of the sun. Since the angle subtended by the sun is very small, therefore, its diameter is approximately equal to small arc of a circle with centre at the eye of the observer on the earth.
∴ l = D, r = 149,700,000 km
Since
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1. The angle traced by hour hand in 1 hour is equal to .
2. The angle traced by minute hand in 1 minute is equal to
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