Pure 1 Chapter 9 - Trigonometric Ratios

Mrs M Warren

22nd Nov 2019 Flag Comment

Hi, Slide 4 shows the answer when divided by Sin20 not Cos 20. Thanks

Dr J Frost

23rd Jul 2018 Flag Comment

Thanks - I've fixed.


15th Feb 2018 Flag Comment

On the right angle trig at the beginning theres a mistake - it should be cos20 instead of sin 20??

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