# Gcse Sine And Cosine Rule Questions Pdf

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## Sine Rule and Cosine Rule Practice Questions

In more involved exam questions, you may have to use both the Cosine Rule and the Sine Rule over several steps to find the final answer. When finding angles with the Sine Rule, use the info in the question to decide whether you have the acute angle case ie the calculator value or the obtuse angle case ie, minus the calculator value.

The Cosine Rule will never give you an ambiguous answer for an angle — as long as you put the right things into the calculator, the answer that comes out will be the correct angle. Give your answers accurate to 1 d. Choosing which rule or formula to use It is important to be able to decide which Rule or Formula to use to answer a question This table summarises the possibilities:. Using the cosine rules to find angles. In the following triangle: a Find the size of angle ABC.

## Sine Rule and Cosine Rule Practice Questions

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Edexcel GCSE. Mathematics (Linear) – 1MA0. SINE AND COSINE. RULES Questions labelled with an asterisk (*) are ones where the quality of your written.

## Handcrafted resources for maths teachers.

Once you have completed the question and watched the video, try the Practice Questions to help consolidate that skill and concept. Once you have done this for all examples in the chapter, try the End of Chapter Exam Questions. Step 1. Cosine rule to find missing sides practice questions.

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#### Videos, worksheets, 5-a-day and much more

In more involved exam questions, you may have to use both the Cosine Rule and the Sine Rule over several steps to find the final answer. When finding angles with the Sine Rule, use the info in the question to decide whether you have the acute angle case ie the calculator value or the obtuse angle case ie, minus the calculator value. The Cosine Rule will never give you an ambiguous answer for an angle — as long as you put the right things into the calculator, the answer that comes out will be the correct angle. Give your answers accurate to 1 d. Choosing which rule or formula to use It is important to be able to decide which Rule or Formula to use to answer a question This table summarises the possibilities:. Using the cosine rules to find angles. In the following triangle: a Find the size of angle ABC.

I regularly upload resources that I have created during 30 years as a teacher. All of the resources are my own and are not available from third-parties. The resources have been tweaked over time and I have had many happy lessons and shed-loads of happy and successful students.

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

Под его ногами была потайная дверь, почти неразличимая на полу. В руке он сжимал ключ, взятый из лаборатории систем безопасности. Чатрукьян опустился на колени, вставил ключ в едва заметную скважину и повернул.

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We've done the hard work for you, and put together the best revision videos on the sine, cosine and triangle area rules the area of a non-right-angled triangle.