A-Level Maths Edexcel Trigonometry (5) - L15 - Core 3 Edexcel Maths A-Level

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Good question but this was after I added the 1. So 1+25/144 = 169/144

HEGARTYMATHS
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In your first example, you have stated that (-5/12)^2 is 169/144, shouldn't it be 25/144?

Thepainteroftzeentch