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junior college 1 | H2 Maths
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Please advise for part c
Date Posted: 4 years ago
Views: 323
Hi Aurora, thanks for the help! Can I check how did you change cos 4x - sin 4x / sin 4 x to cot 4x - 1?
Hi so sorry for the late reply, cause cos4x/sin4x is cot4x, then -sin4x/sin4x is -1
Don't be sorry, thank you so much Aurora! Silly me
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done
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Hello, im doing this assuming you learnt implicit differentiation already. If you dont understand, let me know! And all the best for promos
Date Posted:
4 years ago
Thank you so much!!
Thank you Aurora! Can I check how did you change (cos 4x - sin 4x) / sin4x = cot 4x - 1?
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