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[DOC File]6.2 TRIG FUNCTIONS -- UNIT CIRCLE
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A) Find the values of the trig functions corresponding to (-4/5, 3/5) sin θ = csc θ = cos θ = sec θ = tan θ = cot θ = NOTE: If θ is on the unit circle, then r = 1 so sinθ=b, cosθ = a, and tanθ=b/a! THIS IS ONLY TRUE on the unit circle! If the point is not on the unit circle, then r ≠ 1 so we must use the general Theorem above.
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[DOC File]Department of Mathematics: Home : The University of Akron
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Key Words: Finding angles with trig ratios. Background Knowledge: Students will need to have an understanding of right triangles and the Pythagorean Theorem. Some discussion on how to evaluate sin-1, cos-1 and tan-1 of an angle with a calculator should be given before they begin. This lesson assumes the previous discussion of trigonometric ratios.
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[DOC File]The Primary Trigonometric Ratios – Word Problems
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The Primary Trigonometric Ratios – Word Problems. A. Determining the measures of the sides and angles of right triangles using the primary ratios. When we want to measure the height of an “inaccessible” object like a tree, pole, building, or cliff, we can utilize the concepts of trigonometry.
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[DOC File]Worksheet 9A- part 2 - GEOMETRY
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Math 2 Unit 2 Lesson 2.6A Trigonometric Ratios, Angles Write an equation using the appropriate trig ratio for finding the measure of the given angle(s). Then …
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[DOC File]Worksheet 9A- part 2 - Mr. Lawhon's 2019-2020 Classes
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Use trig ratios and your graphing calculator to approximate each length and angle measure to the nearest tenth (these are all RIGHT triangles). 25. 26. For each problem, draw a picture/diagram showing the right triangle. Then write a trig ratio equation, and solve the equation to …
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[DOC File]Right Triangles and SOHCAHTOA: Finding the Length of a Side
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trigonometric ratios or formulas: Part I) Model Problems. Example 1: Consider right DEF pictured at right. We know one acute angle and one side, and our goal is to determine the length of the unknown side x. Step 1: Place your finger on the 38° angle (the acute angle), and then. label the three sides: the hypotenuse. is always the longest side ...
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[DOCX File]Lesson 13: Trigonometric Ratios
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13.1 Tree Height - Key. 13.2 Class Spreadsheet. 13.3 Trigonometric Ratios of Complementary Angles. 13.3 Trigonometric Ratios of Complementary Angles - Key. 13.4 Trigonometry and Trains. 13.5 Indirect Measurement. 13.6 Determining Measures of a Triangle. 13.6 Determining Measures of a Triangle - Key. 13.7 Inverse Functions Examples. 13.8 Check ...
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Trig ratios worksheet key