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Trigonometric Functions definition from Circle

M
mathslogic

257 Views • Sep 08, 2010

Description

Trigonometric functions Sine, Cosine, Tangent, Co-tangent, Secant and Co-secant are invented from a circle. That's why Trigonometric functions are also called as Circular functions. This graphical tutorial teaches us, how trigonometric functions are defined from a circle and sides of a right angle triangle.