Save guides, add subjects and pick up where you left off with your BBC account. Which gives us solutions of \(90^\circ ,224.4^\circ ,270^\circ ,315.6^\circ\) There are two more methods for you to ...

Trigonometric equations are solved using a double angle formulae and the wave function. Solving trigonometric equations Trigonometric equations can be solved in degrees or radians using CAST and ...