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Half Angle Formulas

Half Angle Formulas

Submitted by • May 2, 2013

mathsanswer.zohosites.com - Trigonometry is one of the most important and oldest topics in modern mathematics. The collection of formulas in the trigonometry is usually called as trigonometric function and identities. Sin2 `theta = 1/2(1-cos 2theta)` Sin `theta/2 = +-sqrt((1-cos theta)/2)` tan `theta/2 = +- sqrt((1- ...

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