The Sine Rule | Grade 7 Maths Revision | GCSE Maths Tutor

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Published on January 25, 2020 by

A video revising the techniques and strategies for using the sine rule for side lengths and angles.

This video is part of the Pythagoras & Trigonometry module in GCSE maths, see my other videos below to continue with the series.

Revision Videos:

The Entire 9-1 GCSE Maths Exam in only 2 hours!! Higher and Foundation Revision -

Everything for a Grade 6-9 in your GCSE Maths Exam! Higher Maths Exam Revision | Edexcel AQA & OCR -

Pythagoras and Trigonometry Series:

All of Trigonometry in 20 Minutes!! Foundation & Higher Grades 4-9 Maths Revision | GCSE Maths Tutor -

Part 1 - Pythagoras -

Part 2 - Trigonometry (Side Lengths) -

Part 3 - Trigonometry (Angles) -

Part 4 - Finding the Exact Values (Higher Only) -

Part 5 - Sine Rule (Higher Only) -

Part 6 - Cosine Rule (Higher Only) -

Part 7 - Area of a Triangle (Higher Only) -

Part 8 - Proving the Trigonometric Rules (Higher Only) -

Part 9 - Circle Sectors with Trigonometry (Higher Only) -

Part 10 - 3D Trigonometry (Higher Only) -

These are the calculators that I recommend:

Casio fx-83GTX Scientific Calculator, Black -
Casio Fx-991ex Scientific Calculator Fx 991 Ex - New + 552 Function - Classwiz -

πŸ”Ή Watch the video
πŸ”Ή Make notes
πŸ”Ή Practice the questions
πŸ”Ή Mark your work
πŸ”Ή Review what you have learnt on the exam questions

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35 Comments

  • Zamzam Mohamed 3 years ago

    Can you please do a video on properties of circles.I have exams coming up.Thank u

    • The GCSE Maths Tutor 3 years ago

      Zamzam Mohamed What do you mean by properties of circles? Labelling the parts, area, circumference, sectors, circle theorems?

    • Zamzam Mohamed 3 years ago

      @The GCSE Maths Tutor I am sorry that i didn’t specified but i mean circle theorems.Thank you

    • The GCSE Maths Tutor 3 years ago

      Zamzam Mohamed Aaah perfect! Circle theorems is coming very soon, the next two videos planned are angles in parallel lines and then circle theorems!! πŸ˜πŸ‘ŒπŸΌ

    • Zamzam Mohamed 3 years ago

      @The GCSE Maths Tutor Thank you so much.Waiting😏😊

  • TronexGaming 3 years ago

    Can you release another set of practice papers in the future please

    • The GCSE Maths Tutor 3 years ago

      TronexGaming I will have another set coming very soon!!

  • Lolll Hello 3 years ago

    Grade 6/7 playlist please

    • James Chester 3 years ago

      Lolll Hello he’s put one on the website bro πŸ‘πŸ½

    • Lolll Hello 3 years ago

      James Chester
      What is his website

    • The GCSE Maths Tutor 3 years ago

      Lolll Hello Coming very soon!! πŸ˜πŸ™πŸΌ

    • The GCSE Maths Tutor 3 years ago

      Lolll Hello I only launched it yesterday on Instagram haha! It’s brand new so it’s still a work in progress but it’s http://www.thegcsemathstutor.co.uk

  • D O L L Y A 3 years ago

    Thank you!!!

    • The GCSE Maths Tutor 3 years ago

      D O L L Y A My pleasure! πŸ˜πŸ™πŸΌ

  • James Chester 3 years ago

    Thank you so much bro! You’re videos are literally keeping me going this year, teacher abandoned us so we don’t even have a teacher, swear I’ve learnt more from you over the past month than in 4 years at school πŸ‘ŠπŸ½

    • The GCSE Maths Tutor 3 years ago

      James Chester Thank you for the kind words! Well I hope you get a teacher soon, sounds like you are being very proactive!! Let me know if there are any topic videos that I can help with in the mean time πŸ˜πŸ™πŸΌ

  • KaPs Gaming 3 years ago

    Sir i sent you the link to the gold papers.

    • The GCSE Maths Tutor 3 years ago

      ATORAT Gaming Thanks!! I’ll have a look at those as soon as I can 😁 I’ll try and get them done over the half term!

    • KaPs Gaming 3 years ago

      @The GCSE Maths Tutor Its kl sir, you can take ur time, you’ve already taught me soo much stuff so thanks

    • The GCSE Maths Tutor 3 years ago

      ATORAT Gaming I’ll still try my best to do some ASAP! So glad to hear that! πŸ˜πŸ™πŸΌ

    • KaPs Gaming 3 years ago

      @The GCSE Maths Tutor no problem sir

  • KaPs Gaming 3 years ago
  • cyclonegamer 3 years ago

    Thank you such much for this video can you please do video on cosine rule .

    • The GCSE Maths Tutor 3 years ago

      cyclonegamer it will be with you on Saturday πŸ˜πŸ™πŸΌ

  • R K 3 years ago

    53.408 to 3sfg is 53.4 not 53.5 !

    • The GCSE Maths Tutor 3 years ago

      R K Thanks for pointing that out! No idea what I was thinking πŸ˜‚πŸ€¦πŸΌβ€β™‚οΈ

    • R K 3 years ago

      @The GCSE Maths Tutor Its all good bro you still the man . Hoping to get a grade 8 for gcse because of you

    • The GCSE Maths Tutor 3 years ago

      R K Haha thank you!! πŸ˜πŸ™πŸΌ I hope so too!! You will have to make sure you let me know how you get on!!

    • R K 3 years ago

      @The GCSE Maths Tutor I will . I literally tell all my friends about your channel. your such a down to earth and amazing teacher and you know how to teach topics properly and you dont rush through stuff. im going to watch all of your videos until my gcses in may and hopefully by then you wouldve went over most of the content and i can finally ace my exams haha!

  • The GCSE Maths Tutor 3 years ago

    Correction – at 18:10 the final answer should be 53.4 not 53.5 πŸ€¦πŸΌβ€β™‚οΈ no idea what I was looking at when writing that! – I’m only human!!

  • Katy Stanely 3 years ago

    i loveee yourr introo

    • The GCSE Maths Tutor 3 years ago

      Katy Stanely Thank you πŸ˜πŸ™πŸΌ

  • Ayub 3 years ago

    At 24:10 would it be right if I used angle 126 instead of angle 28?

  • Rienexan 3 years ago

    Great video thanks alot also 26:36 you can find that length with the sine rule assuming angle C is 90 degrees you can use 26.77 as the opposite and angle B as the opposite for x for 21.66

    • The GCSE Maths Tutor 3 years ago

      Rienexan Absolutely! Once you know the Sine Rule you never actually need to use SOHCAHTOA ever again!!

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