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secondary 4 | A Maths
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secondary 4 chevron_right A Maths chevron_right Singapore


Date Posted: 1 year ago
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Gabriel's answer
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hi, tell me if u r unsure of any parts of my working
Low Yi Yin
Low Yi Yin
1 year ago
I think there's an error for cot^2 @ = 1 - cosec^2 @, it's supposed to be cot^2 @ = cosec^2 @ -1. Other than that if you follow this working should get the correct answer 3pi/2.