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Square Tricks - Maths Magic Tricks with Picture
Written By Daily IQ on Thursday 27 December 2018 | 19:00
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Trigonometry Table.... sin 0 ° = 0 sin 30 ° = 1/2 sin 45 ° = 1/ √2 sin 60 ° = √3/2 sin 90 ° = 1 cos 0 ° = 1 cos 30 ° = √3 ...
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