GCSE Maths sine rule and cosine rule trigonometry in non-right-angled triangles exam question practice solutions from past papers and practice papers. This video is suitable for Higher tier only.
Keywords: sine rule, cosine rule, trigonometry, non-right-angled triangle, sin, cos, tan, bearings, area, perimeter
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Question list:
0:00:58 Cosine Rule
0:06:47 Area of a triangle
0:08:01 Cosine Rule
0:13:47 Cosine Rule
0:18:54 Cosine Rule
0:23:01 Using Sine Rule to find an angle
0:26:50 Using Sine Rule to find a length
0:30:09 Using Sine Rule to find an angle
0:32:17 When neither Sine Rule/Cosine Rule seems to fit the problem
0:40:54 When neither Sine Rule/Cosine Rule seems to fit the problem
0:49:37 Multiple triangles – Cosine Rule
0:57:06 Multiple triangles – Sine Rule and Cosine Rule
1:05:46 Sine Rule with perimeter
1:10:26 Cosine Rule with area of compound shapes
1:17:03 Cosine Rule with area of compound shapes
1:26:26 Cosine Rule with bearings
1:35:37 Cosine Rule with bearings
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The exam practice paper sets featured in this series of videos are owned and produced by http://www.ocr.org.uk and https://aqa.org.uk. I am using them here for instructional purposes.
The solutions to these practice papers are my own and have not been provided or approved by OCR or AQA. There may be other methods of solution possible than the ones I have shown here.
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