How to solve trigonometric equations using the Quadrant Rule

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Here I show you how to use the quadrant rule or CAST diagram to solve trigonometric equations in different ranges. It saves having to use trigonometric graphs and so makes a solution quicker and more efficient. • YOUTUBE CHANNEL at    / examsolutions   • EXAMSOLUTIONS WEBSITE at https://www.examsolutions.net/ where you will have access to all playlists covering pure maths, statistics and mechanics. •   / examsolutions.net   • NEW INSTAGRAM:   / examsolutionsguy   • TWITTER:   / examsolutions   • • THE BEST THANK YOU: https://www.examsolutions.net/donation/

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