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secondary 3 | A Maths
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how to do！！helpp！！thankyou！
Date Posted: 4 years ago
Views: 191
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The proving part
Date Posted:
4 years ago
There is a typo for the worksheet. As Eric shows, its 2 cosec² A + 5 cosec A -3 = 0, rather than 2 cosec 2A + 5 cosec A - 3 = 0
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Here
Date Posted:
4 years ago
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