Semicircle : A Case Study on Concept of Trigonometrical Ratios of Acute Angles
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Keywords:
Semicircle, trigonometric ratios, acute angleAbstract
Trigonometric ratios of an acute angle in a right angle triangle express the relationship between the angle and length of its sides. Angles in a semicircle is a right angle. The angle inscribed in a semicircle is always $90^\circ$ In the present paper, author tried to present the properties of semicircle in which it is possible to explain the concept regarding trigonometric ratios of acute angles.
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