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The sides of right-angled triangles are labelled opposite, hypotenuse and adjacent. Trigonometry explores the relationship between sides and angles in right-angled triangles. The hypotenuse is the ...
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'Impossible' Proofs of Pythagoras' Theorem Published by High School Students"There are no trigonometric proofs because all the ... describes the relationship between the three sides of a right-angled ...
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