How To Find The Area Of A Triangle Using Trigonometry.

How to find the area of a Area Of A Triangle using trigonometry in National 5 Maths covers the whole topic of area of a triangle using trigonometry in SQA National 5 Maths. This video will cover the formula for area of a triangle with trigonometry, working backwards to find an angle. We will teach the whole of trigonometry with area of a triangle in National 5 Maths and will include every National 5 Maths Past Paper question on area of a triangle.

The formula for the area of a triangle is 0.5absinC and is given at the start of the exam paper.

This Video Covers:
0:00 - Introduction To Area Of A Triangle Using Trigonometry In National 5 Maths
0:20 - What is the formula for area of a triangle with trigonometry?
2:11 - Example Calculating Area Of A Triangle Using Trigonometry.
3:33 - Non Calculator Example
5:38 - Working Backwards To Calculate The Angle
7:36 - SQA National 5 Maths 2014 Paper 2 Question 13
9:58 - SQA National 5 Maths 2015 Paper 2 Question 11
11:53 - SQA National 5 Maths 2017 Paper 1 Question 7
13:40 - SQA Natinal 5 Maths 2018 Paper 2 Question 17
17:08 - SQA National 5 Maths 2019 Paper 2 Question 3
18:08 - SQA National 5 Maths 2021 Paper 2 Question 8
21:02 - SQA National 5 Maths 2022 Paper 2 Question 6
22:02 - SQA National 5 Maths 2023 Paper 2 Question 15
25:03 - Summary Of How To Find The Area Of A Triangle Using Trigonometry

This video is suitable for pupils in Scotland at National 5 mathematics. It will also be suitable for ANYONE beginning to study trigonometry.

Top Tips:
Always read the question
If you get stuck, rewatch the relevant part of the video.
To get better at maths, push yourself to try the harder examples
Try redoing my examples and see if you can do them yourself.

Thankyou for watching.

#National5Maths #Maths #ClellandMaths #areaofatriangle #trigonometry Copyright © Scottish Qualifications Authority.
Solutions all my own and not endorsed or produced by SQA.