'Sine cosine' presentation slideshows

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717 views • 53 slides

Chapter 8 The Trigonometric Functions

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Do Now:

Aim: What good is the Unit Circle and how does it help us to understand the Trigonometric Functions?. Do Now:. A circle has a radius of 3 cm. Find the length of an arc cut off by a central angle of 270 0. Q II. Quadrant I. terminal side. 90 < ? < 180. 0 < ? < 90. terminal side.

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Do Now:

Aim: What good is the Unit Circle and how does it help us to understand the Trigonometric Functions?. Do Now:. A circle has a radius of 3 cm. Find the length of an arc cut off by a central angle of 270 0. Q II. Quadrant I. terminal side. 90 < ? < 180. 0 < ? < 90. terminal side.

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1D Fourier Analysis

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EE513 Audio Signals and Systems

EE513 Audio Signals and Systems. Introduction Kevin D. Donohue Electrical and Computer Engineering University of Kentucky. Question!. If a tree falls in the forest and nobody is there to hear it, will it make a sound?. Sound provided by http://www.therecordist.com/downloads.html.

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Simple Harmonic Motion

Simple Harmonic Motion. Periodic (repeating) motion where the restoring (toward the equilibrium position) force is proportional to the distance from equilibrium. Examples:. Pendulum. Oscillating spring (either horizontal or vertical) without friction.

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ECT 459

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Graphs of Tangent and Cotangent Functions

Graphs of Tangent and Cotangent Functions. Plan for the Day. Review Homework Graphing Tangent and Cotangent Homework. Key Steps in Graphing Sine and Cosine. Identify the key points of your basic graph Find the new period (2 ? / b ) Find the new beginning ( bx - c = 0)

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section 13.6b

section 13.6b. Sine & Cosine Periodic Functions. Def : If the terminal side of an angle is in standard position and intersects the unit circle at P(x,y) then x = cos ? and y = sin ?. Trig functions defined using the unit circle are called circular functions.

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9-5 Trigonometric Ratios

9-5 Trigonometric Ratios. A trigonometric ratio is a ratio of the lengths of 2 sides of a right triangle. You will learn to use trigonometric ratios of a right triangle to determine side length and angle measurement. Trigonometric Ratios.

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Lesson 4.5 Graph of Sine & Cosine

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The Sine & Cosine Ratios

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Cosine and Sine Graphs

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