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A Level Maths

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Videos, activities and worksheets that are suitable for A Level Maths to help students use the trigonometry quadrant method to solve trig. equations.

A-Level Maths - Trigonometry Quadrant method

Using the quadrant method is an easy, fast and efficient way to solve trig. equations in a given range. This is the first of several videos on this topic

This is a short maths tutorial on using the quadrant method to solve a trig equation where sin is positive

Using the quadrant rule can often make solving trig. equations in a given range simple. Here we show you how it is used to solve an equation of the form sin ? = a positive value.

In this tutorial we show you how to use the quadrant method to easily find all the angles in a given range for the trig. equation sin ? = a negative value

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