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secondary 3 | A Maths
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trigonometry
Date Posted: 4 years ago
Views: 281
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zoomer use this table to answer the question ;)
Date Posted:
4 years ago
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I am not sure if you have learnt addition formula yet, in further trigonometry. Some schools teach this during Sec 3 while other schools teach this during Sec 4. Let me know if you have not learnt the addition formula yet. I will do an alternative approach if you have not learnt them yet.
Date Posted:
4 years ago
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