Values of Trigonometric Ratios for Standard Angles | Trignometry Table of sin, cos, tan, cosec, sec,

Trigonometric ratio / function: The formulae (formula) for finding angle and sides of triangle can be easily remembered using the sentence - Old Harry And His Old Aunt. Sin (q) = Old/Harry = Opposite/Hypotenuse Cos (q) = And/His = Adjacent/Hypotenuse Tan

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