Trigonometric Ratios 4 • Area of Triangles 1/2absinC • P1 Ex9D • 🚀

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Edexcel Pure Year 1

Tues 17/3/20
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Hi Mr Bicen! For the actual a level exams, would we ever be asked to derive the sin and cosine rule or would we simply just be expected to apply it? I do AQA so I was wondering if it differs with different exam boards. Thanks for the great videos!

Ali
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how comes x = -8 doesnt make sense ? Thank you so much for these video

winlarter