A fully animated lesson on solving trigonometric equations in radians using graphs. This was taught for an AS group sitting the AQA spec, which the textbook exercises relate to. Starter focuses on ...

Learn how to solve for unknown angles in right triangles using inverse trigonometric functions! This step-by-step trigonometry lesson covers labeling triangle sides, using sine and cosine ratios, ...

👉 Learn how to solve trigonometric equations. There are various methods that can be used to evaluate trigonometric equations, they include factoring out the gcf and simplifying the factored equation.

Presentation with examples on how to solve trigonometric equations using the CAST diagram. I know not all maths teachers are particularly big fans of using CAST diagrams, but I've found it helpful for ...

Solve the equation \(4\sin x^\circ - 3 = 0\), where \(0 \le x \textless 360\). From the graph of the function, we can see that we should be expecting 2 solutions: 1 solution between \(0^\circ\) and ...

Solve \(\sqrt 3 \cos x + \sin x = \sqrt 2\), for \(0 \le x \le 2\pi\). First of all we need to put \(\sqrt 3 \cos x + \sin x\) into the form \(k\cos (x - \alpha ...