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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.
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 Ιαν 2020 · Example 1 – Finding Trigonometric Ratios • Find the six trigonometric ratios of the angle in Figure 3. • Solution: Figure 3. Special Triangles • Certain right triangles have ratios that can be calculated easily from the Pythagorean Theorem. Since they are used frequently, we mention them here.
17 Οκτ 2011 · The document provides information on trigonometric ratios including: 1) It defines the six main trigonometric ratios (sine, cosine, tangent, cotangent, secant, cosecant) using coordinates on a unit circle. 2) It explains the signs of the ratios in the four quadrants of the coordinate plane.
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.
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 = 1/2
• 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 ...
