Trigonometry Formulas and GraphsFree
This is suitable for all students, teachers and practising engineers. This app has gentle introduction with large number of diagrams and graphs for deeper appreciation of trigonometric concepts. Most useful formulas are included with relevant diagrams. The formulas help in solving and proving trigonometric equations. Radians are introduced early. Trigonometric function values for commonly encountered angles provided with diagrams. Angle reflections with respect to X Axis and Y axis are dealt with in detail. Graphs are used for clarifying the rotation and reflection formulas. Circumscribed and inscribed circles formulas explained with diagrams. Different formulas for computing area of triangle are provided. Series expansion for trigonometric functions provided. Inverse Trigonometric functions are dealt with in great detail.
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