'Reference angles' presentation slideshows

Trigonometry

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Trigonometry

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Merrill pg. 759

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5.4 Radians, Arc Length, Angular Speed Mon Jan 06

5.4 Radians, Arc Length, Angular Speed Mon Jan 06. Do Now Find the following: 1) Cos 150 deg 2) Tan 210 deg. HW Review: p.472 #39-69 83-105. Unit Circle. A circle centered at the origin with a radius of length 1 is called a unit circle

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4.1.2: What Does the Unit Circle Tell Me?

4.1.2: What Does the Unit Circle Tell Me?.

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Trigonometric Functions

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4.1 Angles and Their Measure

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Section 14-4

Section 14-4. Right Triangles and Function Values. Right Triangles and Function Values. Right Triangle Side Ratios Cofunction Identities Trigonometric Function Values of Special Angles Reference Angles. Right Triangle Side Ratios.

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Trigonometry

Trigonometry. Cloud County Community College Spring, 2012 Instructor: Timothy L. Warkentin. Chapter 2: Trigonometric Functions. 2.1 Angles and Arcs 2.2 Right Triangle Trigonometry 2.3 Trigonometric Functions of Any Angle 2.4 Trigonometric Functions of Real Numbers

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Sullivan Algebra and Trigonometry: Section 6.4 Trig Functions of General Angles

Sullivan Algebra and Trigonometry: Section 6.4 Trig Functions of General Angles. Objectives of this Section Find the Exact Value of the Trigonometric Functions for General Angles Determine the Sign of the Trigonometric Functions of an Angle in a Given Quadrant

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Math 20-1 Chapter 2 Trigonometry

Math 20-1 Chapter 2 Trigonometry. Teacher Notes. 2.1 A Angles in Standard Position. Terminal Arm. Initial Arm. Vertex. Math 20-1 Chapter 1 Sequences and Series. 2.1A Angles in Standard Position.

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Trigonometric Functions and the Unit Circle

Trigonometric Functions and the Unit Circle. Six Trig Functions. We will now define the 6 trig functions for ANY angle. (Not just positive acute angles.) Let ? be any angle in standard position and ( x,y ) a point on its terminal ray. Let the distance from the point to the origin be r. Then

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Trigonometry vocabulary

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Name the quadrant.

Warm UP!. Name the quadrant. . 1. 2. 258?. Determine a positive and negative coterminal angle. 3. 52 ?. 4. -36 ?. Convert from Degrees to Radians or vice versa:. 5. 90 ?. 6. QUIZ 1-1. After the quiz, we will be working on the UNIT CIRCLE (EXCITING!!!!). The Unit Circle.

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Review: Special Right Triangles

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8.4

8.4. TRIGONOMETRIC EQUATIONS AND INVERSE FUNCTIONS. Solving Trigonometric Equations Graphically. A trigonometric equation is one involving trigonometric functions. Consider, for example, the rabbit population of Example 6 on page 328: R = ?5000 cos ( ? /6 t ) + 10,000.

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Trigonometric Functions: Unit Circle

Trigonometric Functions: Unit Circle. Unit Circle. The unit circle is a circle whose radius is 1 and whose center is at the origin of a rectangular coordinate system. Let t be a real number and let P = ( x,y ) be the point on the unit circle that corresponds to t. Trig Functions.

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Reference Angles

Reference Angles. What is a Reference Angle?. For any given angle, its reference angle is an acute version of that angle The values for the Trig. Functions of any angle are the SAME as the values of those functions for its reference angle (give or take a minus sign).

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Section 7.4

Section 7.4. Trigonometric Functions of General Angles.

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The Unit Circle, Reference Angles, and Coterminal Angles

The Unit Circle, Reference Angles, and Coterminal Angles. Unit Circle. 1. (0,0). Center: . -1. 1. 1. Radius:. -1. Measure of an Angle. 1. The measure (counter clockwise) of an angle is determined by the amount of rotation from the initial side to the terminal side . -1. 1.

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