MATH Ex 3: Solve a Trig Equation with Rounded Radian Solutions – Angle Substitution with Pi Posted on 07/23/202007/23/2020 by apho2018 23 Jul This video explains how to solve a trig equation with a triple angle that has rounded radian solutions. Site: Blog: apho2018 All of Biology in 9 minutes Mathematical Physics Most Important Questions from December 2018 CSIR NET PHYSICS EXAM