9 A level Mathematics Solving Trigonometric Equations Part I

In this video, we begin our A-level trigonometry series by tackling trigonometric equations. We'll learn to identify the structure of these equations and apply appropriate methods, focusing on using exact trigonometric values. The video also demonstrates how to utilize trigonometric graph properties to find all solutions within a specified interval, using examples within 0 to 2 pi. We'll work through solving sine x equals a half, 2 sine theta equals 3 cos theta, and 2 sine squared theta equals cos theta plus 1, illustrating techniques like using inverse functions, recognizing tangent identities, and solving quadratic equations derived from trigonometric substitutions. Subscribe to @AxiomTutoringCourses for more A-level math tutorials.