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  1. 19 Μαρ 2016 · The module is divided into 5 lessons that cover the six trigonometric ratios, ratios of special angles, angles of elevation and depression, application word problems involving right triangles, and the laws of sines and cosines for solving problems with oblique triangles.

  2. 18 Απρ 2020 · The document outlines important trigonometric ratios like sine, cosine and tangent, and defines concepts like adjacent, opposite, and hypotenuse sides of a right triangle. It also discusses Pythagoras' theorem relating side lengths in a right triangle.

  3. The document illustrates the six trigonometric ratios - sine, cosine, tangent, cosecant, secant and cotangent - through examples of right triangles. It defines the primary ratios of sine, cosine and tangent using the mnemonics SOH CAH TOA and provides examples of calculating the ratios from sides of right triangles.

  4. The Six Trigonometric Ratios | PDF | Trigonometric Functions | Trigonometry. The Six Trigonometric Ratios.ppt - Free download as Powerpoint Presentation (.ppt / .pptx), PDF File (.pdf), Text File (.txt) or view presentation slides online. sin A = 18/27 = 2/3 cos A = 9/27 = 1/3 tan A = 18/9 = 2 csc A = 27/18 = 3/2 sec A = 27/9 = 3 cot A = 9/18 ...

  5. • know how cos, sin and tan can be defined as ratios of the sides of a right angled triangle; • know how to find the cos, sin and tan of π 6, π 4 and 2; • know how cos, sin and tan functions are defined for all real numbers; • be able to sketch the graph of certain trigonometric functions; • know how to differentiate the cos ...

  6. 1. DEFINITION AND EXAMPLES OF THE TRIGONOMETRIC FUNCTIONS OF AN ACUTE ANGLE IN TERMS OF A RIGHT TRIANGLE. 2. USING A RIGHT TRIANGLE TO FIND THE VALUE OF THE SIX TRIGONOMETRIC FUNCTIONS OF ANGLES IN THE FIRST, SECOND, THIRD, AND FOURTH QUADRANTS. 1.

  7. 9.1.1 REVIEW OF TRIGONOMETRIC FUNCTIONS FOR RIGHT-ANGLED TRIANGLES The trigonometric functions are defined as ratio functions in a right-angled triangle. As such they are often referred to as the trigonometric ratios. The trigonometric ratios are based on the right-angled triangle shown alongside. Such right-angled triangles are defined in

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