This course is to aid in learning aspects of trigonometry that are imperative to know off-by-heart. I have tailor made it for OCR MEI but it is likely relevant to other exam boards. Good luck!
Typing a square root symbol:
If you are using an iOS device, you could create a keyboard shortcut that replaces 'rt' with the symbol √. If you are using a mac, the shortcut is Alt-V and for windows users, the shortcut is Alt-251.
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