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[DOCX File]Knox County Schools
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Confirm that the triangle is a right triangle, so that we can use these definitions of sine, cosine, and tangent. Identify the parts of the triangle given and wanted. Using those parts, choose the appropriate trig ratio and plug in the values.
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AAT 5 - troup.k12.ga.us
7. Determine whether a triangle with the following coordinates is acute, right or obtuse using the Distance Formula and the inverse of the Pythagorean Theorem. A (-2, 1), B(2, 5) and C(9, -3) Using sine, cosine and tangent ratios to solve problems. G.3.E . Solve problems involving the basic trigonometric ratios of sine, cosine, and tangent.
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[DOC File]Day 1: Triangles and similarity
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Name: John Jett and Edda Date: November 7, 2005 Section Title: 13.6 The Tangent of an Angle; 13.7 The Sine and Cosine Ratios Big Mathematical Idea(s): Congruent angles in similar right triangles have corresponding ratios of the sides. These ratios will always be equal to each other for a chosen acute angle of that right triangle.
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[DOC File]Name____________________________
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We have already seen the right triangle definitions of sine, cosine, and tangent; the identity . tan θ= sin θ cos θ ; and the values of sine, cosine, and tangent when evaluated at the angles 30˚, 45˚, and 60˚.We know how to graph angles in standard position on the xy -plane.We know the definition of radian measure.
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[DOC File]TRIGONOMETRY
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Problem 1 – Exploring Right Triangle Trigonometry We will begin this activity by looking at the definitions of the sine, cosine, and tangent of a right triangle. Start the Learning Check application by pressing ( and selecting LearnChk. Open the file Trig. You are given the definition for the sine, cosine, and tangent of a right triangle.
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Activity overview: - Texas Instruments
The Right Triangle. Label the sides of the following right triangles-Sine = Cosine = Tangent = So….. what is the famous saying to remember this??? Angles As Rotations. Initial Side: _____ Terminal Side: _____ ...
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[DOC File]MthEd 377 Lesson Plan - Brigham Young University
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Sine. Cosine. Tangent. SOHCAHTOA. Special angles. degrees (PI/6) degrees (PI/4) ... 30-60-90 right triangle. geometry theorem: the side opposite the 30 degree angle in a right triangle is one half the hypotenuse. right triangle (Isosceles Right Triangle) Use above theorems and the Pythagorean Theorem to develop ratios for all sides. assignment 6.2.
sine cosine and tangent calculator

[DOC File]Outline for Teaching Trigonometry
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Write down the formulas for sine, cosine and tangent. For each of the following angle measurements (5º, 15º, 30º, 45º, 60º, 75º, 85º) draw a right triangle with one acute angle of that measurement. Make sure to use rulers and protractors and …
triangle sine cosine tangent calculator

[DOCX File]Trigonometry Project - Math with Coach Underwood - Home
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– the longest side of a right triangle; the side opposite (across) from the right angle. legs – the shorter two sides opposite the acute angles. adjacent – means to be next to or touching. opposite – means to be across from. Name Symbol Definition. Trigonometric Ratios sine θ sin θ opposite side. hypotenuse cosine θ cos θ adjacent side
cosine tangent sine

Trigonometry—What Are Sine, Cosine, and Tangent? | Math Dude
30 – 60 – 90 RIGHT TRIANGLES 45 – 45 - 90. Therefore, for the Unit Circle, hypotenuse is always 1. Algebra 3 Assignment # 1. Trigonometric Functions. Let θ “theta” represent the measure of the reference angle. Three basic functions are sine, cosine and tangent. They are written as sin θ, cos θ, and tan θ
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Right triangle sine cosine tangent