Mathematics Education Trigonometry lesson 3 – how to find an unknown side in a right angle triangle By Magic Monk on Wednesday, October 3, 2018 In this tutorial, you learn how to find an unknown side in a right angle triangle, given the angle and one side, using the trigonometric equations and the calculator. education math mathematics steemiteducation steempress Previous Post Next Post Related Posts Mathematics Education Vector applications question – Elastic collision, momentum, and kinetic energy Mathematics Education Vectors lesson 21 – Basic vector operations in Geogebra Mathematics Education Vectors lesson 20 – drawing vectors in Geogebra