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![]() Date: 2013-09-26 14:55:12Elementary mathematics Triangles Trigonometric functions Abū Rayḥān al-Bīrūnī Pythagorean theorem Range of a projectile Sine Geometry Mathematics Trigonometry | Source URL: www.jscimath.orgDownload Document from Source WebsiteFile Size: 250,77 KBShare Document on Facebook |