# Sine And Cosine Rule Worksheet Pdf

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*There are three identities relating to the trigonometric functions that make working with triangles easier:.*

- GCSE Advanced Trigonometry 2 - Sine/Cosine Rule
- Section 4: Sine And Cosine Rule
- The Sine and Cosine Rule - 6 worksheets with answers

## GCSE Advanced Trigonometry 2 - Sine/Cosine Rule

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## Section 4: Sine And Cosine Rule

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How to use Sine and Cosine - Trigonometry is the branch of mathematics that deals with the measurements and the relationships between the side lengths and the angles of a triangle. It is where the sine and the cosine rule enter trigonometry. When two sides and one non-included angle is given, it is sometimes called the ambiguous case. All three sides are given. A series of printable worksheets that help students learn to use these functions as tools to help reveal information about right triangles. We send out a monthly email of all our new free worksheets. Just tell us your email above.

The solution for an oblique triangle can be done with the application of the Law of Sine and Law of Cosine, simply called the Sine and Cosine Rules. An oblique triangle, as we all know, is a triangle with no right angle. It is a triangle whose angles are all acute or a triangle with one obtuse angle. The Sine Rule states that the sides of a triangle are proportional to the sines of the opposite angles. In symbols,. In this case, there may be two triangles, one triangle, or no triangle with the given properties. For this reason, it is sometimes called the ambiguous case.

## The Sine and Cosine Rule - 6 worksheets with answers

I am now a retired teacher having taught for over 40 years in the UK at secondary level. I wanted to share my love of Mathematics and teaching by providing a good set of resources which will more than cover all your needs for as many topics as I can and at good value for money. I am trying to cover many topics from foundation level GCSE up to grade 9 at higher level in a way that is interesting and relevant. I hope you like my style! Sine Rule 2 - use the Sine rule to find the missing angles no ambiguous case - 10 Questions.

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*The Cosine Rule. Answer the questions in the spaces provided. The marks for each question are shown in brackets.*

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