Solving Trigonometric Equations: The Principal Value When finding solutions to circular functions it is best practice to solve for the first positive solution and using this as a reference for all ...

Practise solving trigonometric equations in degrees or radians using CAST and its period to find other solutions within the range, including multiple or compound angles and the wave function.

Master trigonometric equations for Olympiad success! In this tutorial, we’ll walk you through essential techniques to solve challenging trigonometric problems. Perfect for students preparing for ...

To solve trigonometric equations involving radian measure, you should proceed in the same way as for degrees. Use the diagram below to help you apply the necessary conditions. You should also know ...

D. E. Richmond, Trigonometry from Differential Equations, The American Mathematical Monthly, Vol. 61, No. 5 (May, 1954), pp. 337-340 ...