Trigonometric equations can be solved 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 ...

Change over time is crucial to understanding trig. With pictures like these — found on Imgur from an album linked in Reddit's peerless Math subreddit — trig becomes a breeze.

When you have trig equations like $\sin x = 0.3 \space 0\degree < x \le 360\degree$, you have two ways of solving them: Manually with a graph, or quickly with CAST. CAST is the most efficient and god ...

I wish to thank Rich Lowry for his beautifully written and inspiring article (“What Trig Can Teach America,” PostOpinion, Sept. 9). VP candidate and new mother Sarah Palin, by her love … ...

Integration is the inverse of differentiation of algebraic and trigonometric expressions involving brackets and powers. This can solve differential equations and evaluate definite integrals.