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# Strand 2 Junior Certificate Ordinary Level Geometry and Trigonometry - Revised

## Get to grips with synthetic geometry, right-angled triangles, co-ordinate geometry and trigonometric ratios!

This free online course teaches you Ordinary Level geometry and trigonometry for Strand 2 of the Junior Certificate in the Irish curriculum. It will teach you how to find sides and angles using different ratios, and you will learn more about geometric reasoning and the equations of different types of lines.

Hours

2,528

CPD

Earn Money

## Description

A ratio is a relationship between two numbers: it tells you how much of one thing there is compared to another. This course begins by teaching you the steps to find angles and sides using trigonometric ratios such as sine, cosine and tangent. You will then learn about different applications of geometric reasoning, which is the use of critical thinking, logical arguments and spatial reasoning to solve problems and find new relationships. Co-ordinates are a set of values that show an exact position, and are usually a pair of numbers you can see on graphs.

This course will teach you about geometry with co-ordinates, and you will look into the equations of straight, parallel and perpendicular lines. Study the Pythagorean theorem, a mathematical formula that provides us with the relationship between the sides in a right-angled triangle. Trigonometry is used to measure angles while geometry deals with angles only in terms of equality of angles and sums of angles. On the completion of this course, you will have a better understanding of synthetic geometry, right-angled triangles, co-ordinate geometry, and trigonometric ratios. You will also be able to practice answering miscellaneous trigonometry questions. Although this course is from Project Maths of Ireland, it is suitable for anyone wanting to practise trig and geometry.

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