Trigonometry Theory Complete

TRIGONOMETRY The Branch Mathematics That Deals With The Study Relationships Between The Sides And Angles Triangles Called Trigonometry The Word

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TRIGONOMETRY The Branch Of Mathematics That Deals With The Study Of Relationships Between The Sides And Angles Of A Triangles Is Called Trigonometry The Word Trigonometry Is Derived From The Greek Words Tri Meaning Three Gon Meaning Sides And Metron Meaning Measure 1 TRIGONOMETRIC RATIOS In Right ABCD AB Is The Hypotenuse AC Is The Side Opposite To CD Θ And BC Is The Side Adja Cent To Θ For The Angle C AB Is Called Perpendicu Lar Side BC Is Called Base And AC Is Called Hypotenus The Trigonometric Ratios For Angle Θ BC A  A Perpendicular AB Sinθ Hypotenuse AC B Base BC Cosθ Hypotenuse AC C Perpendicular AB Tanθ Base BC D Hypotenuse AC Cosecθ Perpendicular AB E Hypotenuse AC Secθ Base BC F Base BC Cotθ Perpendicular AB Note I Sinθ Is A Single Symbol It Does Not Mean The Product To Sin And Θ Ii Only The Term Sin Has No Meaning Iii Sinθ Sin Θ Read As Sin Square Theta Sinθ Sin Θ Iv

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