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Sine Rule calculations – GCSE maths grade 7

June 5, 2021 by Simon Deacon Leave a Comment

These videos look at sine rule type questions, and are aimed at around grade 7 GCSE maths. These questions can be a little challenging, and you will need to take a little time to practice – particularly as some of the problems also involve Pythagoras or SohCahToa.

The first video is all about the theory, the second video aims to give you some experience with the sine rule as a word problem.

Download a copy of the questions here:

QT The Sine Rule – calculations

QT The Sine Rule – Word Problems

Here’s a copy of the written answers:

QT The Sine Rule ANSWERS

QT The Sine Rule word problems ANSWERS

These types of questions appear in all the main GCSE exam boards – Edexcel, AQA, OCR and Educas – and are fairly common for non calculator papers.

Top Tips!

  • Remember you can write the rule with ‘a’ at the top, or ‘Sin A’
  • It’s better to create the subject, and then complete the calculation
  • Draw a sketch if you are not sure
  • Become familiar with Pythagoras, SohCahToa, and area of a triangle calculations

Here’s other posts that also might be of interest:

How to change the subject of a formula; grade 5 maths GCSE

Sine question area of a triangle; GCSE Maths Grade 7+

Using the Cosine Rule; Grade 6 Maths GCSE Non-Calculator

The cosine rule; GCSE maths grade 6+

Please do leave a comment below if you are not sure. Alternately you can view my YouTube channel and leave a comment there – I’ll always try to respond as quickly as possible.

Watch these videos on YouTube:

Sine Rules Calculation – GCSE maths grade 7

Sine Rules Word Problem – GCSE maths grade 7+

I’d really appreciate a like, if you found it useful! If you subscribe to the channel, you’ll also be notified of new uploaded videos 🙂

 

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