'Cosine rule' diaporamas de présentation

2.33k views • 222 slides

2.39k views • 222 slides

Trigonometry

Nat 5. Trigonometry. Revision (S O H)(C A H)(T O A). Area of ANY Triangle. Sine Rule Finding a length. Sine Rule Finding an Angle. Cosine Rule Finding a Length. www.mathsrevision.com. Cosine Rule Finding an Angle. Mixed Problems. Exam Type Questions. Starter Questions. Nat 5.

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Analytical Solid Geometry

Analytical Solid Geometry. Concept of Octant. Z. P(x 1 , y 1 , z 1 ). ?. M. X. ?. ?. Y. O. Z. P(x 1 , y 1 , z 1 ). ?. Y. M. X. ELEMENTARY RESULTS. r. O. COS ? ?. Let direction cosines of OP be l, m, n. Then OM = y 1. COS ? = m = OM/OP ? cos ? = y 1 / r

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Higher Unit 3

Higher Unit 3. What is a Wave Function. Connection with Trig Identities Earlier. Maximum and Minimum Values. Solving Equations involving the Wave Function. Exam Type Questions. The Wave Function. Heart beat.

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AS-Level Maths: Core 2 for Edexcel

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Prolog

Prolog. Website: http://ckw.phys.ncku.edu.tw Homework submission: class@ckw.phys.ncku.edu.tw. Algebra / Analysis vs Geometry Relativity ? Riemannian Geometry Symmetry ? Lie Derivatives ? Lie Group ? Lie Algebra Integration ? Differential forms ? Homotopy, Cohomology

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Coordinate systems in Astronomy

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Limits Involving Trig. Functions

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Sunset Phenomena

Sunset Phenomena. Roger Bailey North American Sundial Society Hartford Oct 1999. Sunset Phenomena. Sunset Phenomena. Simple spherical trigonometry can be used to determine for any location and day of the year When sunset occurs, Where the sun sets on the horizon,

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Module 5 Higher Tier Paper 2 Calculator Specimen Paper (non-coursework) 2009 Mock exam 2009 I hr 15mins

Module 5 Higher Tier Paper 2 Calculator Specimen Paper (non-coursework) 2009 Mock exam 2009 I hr 15mins. 1. The diagram shows a solid made from centimetre cubes. On the grid below, draw the elevation of this solid, from the direction shown by the arrow. 2 Marks.

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Right Triangle Trig Review

Right Triangle Trig Review. Given the right triangle from the origin to the point (x, y) with the angle , we can find the following trig functions:. Replacing (x, y) with these new values, we get the point as:. Moving to the circle centered at the origin.

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Credit revision Q 1

Credit revision Q 1. What is the sine rule ?. Credit revision Q 2. What three processes do you go through in order to factorise a quadratic ?. Credit revision Q 3. What is sin x cos x equal to ?. Credit revision Q 4. How do you solve equations of the form

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Credit revision Q 1

Credit revision Q 1. What is the sine rule ?. Credit revision Q 2. What three processes do you go through in order to factorise a quadratic ?. Credit revision Q 3. What is sin x cos x equal to ?. Credit revision Q 4. How do you solve equations of the form

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The Cosine Rule

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Deriving the rule

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Deriving the rule

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Sine and Cosine Rule revision

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The Cosine Rule

The Cosine Rule. Angle A is opposite side a. Angle B is opposite side b. Angle C is opposite side c. Draw any triangle. Measure sides and angles. Test this rule out!. Your objective is to prove the Cosine Rule!.

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The Sine & Cosine Rule

C. b. a. A. c. B. The Sine & Cosine Rule. The sine rule:. The cosine rule. and. Area of triangle ABC. Remember: The letters in a formula can be interchanged. ?. ?. ?. ?. ?. ?. ?. ?. ?. ?. ?. ?. Which Formula to Use. 3 Sides. 2 Sides and Included angle.

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