'Trig ratios' diaporamas de présentation

B. Triangles and Angles

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Chapter 2

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CHAPTER 2

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Gifted Education Seminar

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Wednesday, April 2nd

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Primary Ratios ~ Soh Cah Toa: tan ? = O/A tan ? = 7/4 ? = tan -1 (7/4) ? = 60 o

Primary Ratios ~ Soh Cah Toa: tan ? = O/A tan ? = 7/4 ? = tan -1 (7/4) ? = 60 o Secondary Ratios ~ Inverse of Primary Ratios: Sine = Cosecant Cosine = Secant Tangent = Cotangent. 7. eg. ?. 4. Remember : Sine ratios are the opposite of Cosine

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Other Angle Relationships in Circles

Other Angle Relationships in Circles. Objectives/Assignment. Use angles formed by tangents and chords to solve problems in geometry. Use angles formed by lines that intersect a circle to solve problems. Using Tangents and Chords.

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Bell Work

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Graphing Primary and Reciprocal Trig Functions

Graphing Primary and Reciprocal Trig Functions . MHF4UI Monday November 12 th , 2012. Defining a Trig Function. We have spent the last classes solving for angles with the help of the primary and reciprocal Trig Ratios. E ach trig ratio can be expressed as a function of each angle

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TRIGONOMETRIC RATIOS

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Trig Ratios

Trig Ratios. SohCahToa Sine = Sin A = ___ Sin C = ___. Trig Ratios. SohCahToa Cosine = Cos A = ___ Cos C = ___ . Trig Ratios. SohCahToa Tangent = Tan A = ___ Tan C = ___ . Example #1. Solve for x. Example #2. Solve for x. Example #3. Solve for x.

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3/22 Bell Ringer

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MAP4C1

MAP4C1. Trigonometry Pre-Amble and Review. History. Historically, trigonometry was developed for use in astronomy and geography, but scientists have been using it for centuries for other purposes, too. Trig is used in physics, engineering, and chemistry.

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Trigonometric Ratios Triangles in Quadrant I

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Chapter 5/6 Review Trigonometry

Chapter 5/6 Review Trigonometry. Opposite. A. Adjacent. Right Angle Trigonometry. These relationships can only be used with a 90 o angle. SOH CAH TOA can be used to help remember the ratios. Hypotenuses. Example 1: Calculating a Side. Decide which angle and which 2 sides to use

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9.9: Introduction to Trigonometry

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Trig Functions of Real Numbers

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Intro to Trigonometric Functions

Intro to Trigonometric Functions. Physics Mrs. Coyle. Trig Ratios. sin= O SOH H cos= A CAH H tan= O TOA A. H ypotenuse. O pposite. q. A djacent. Angle of Elevation. Angle of Elevation. q. Example 1.

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Section 14.3

Right Triangles and Trig Ratios. Section 14.3. Basic Ratios. We can use basic trig ratios to solve for missing parts of right triangles Ratios do not depend on the size of the triangle, but on the acute angles The six trig ratios are: sin ? = opposite/ hyp csc ? = hyp /opposite

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Trig Ratios: Tangents

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