'Soh cah toa' diaporamas de présentation

Timber Framing Code.

Timber Framing Code. INTRO TO ROOFING and PRELIMINARY CALCULATIONS. Previously. We looked at the subject in general Discussed assessment criteria Section 1. Scope & General Section 2. Terminology & definitions. Section 7. Roof Framing. Flowchart.

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The Physics of Archery (1)

The Physics of Archery (1). Objectives. To Understand the Basic Physical Principles of Archery Through Identifying: Energy Transfers Energy Storage Trajectories. Bow Anatomy. Riser/Handle. Limbs. Grip. String. Energy Transfer. Procedure Hold up bow and put arrow on string

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The Physics of Archery (1)

The Physics of Archery (1). Objectives. To Understand the Basic Physical Principles of Archery Through Identifying: Energy Transfers Energy Storage Trajectories. Bow Anatomy. Riser/Handle. Limbs. Grip. String. Energy Transfer. Procedure Hold up bow and put arrow on string

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13.4 and 13.5

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Warm-Up

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Vectors

Vectors. An essential component of your physics toolbox. Vectors vs. Scalars. Vector: physical quantity that has both magnitude and direction Examples: displacement, velocity, acceleration Scalar: physical quantity that has magnitude but no direction Examples: distance, speed, time, mass.

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Terminal Arm Length and Special Case Triangles

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Warm- up

Warm- up . What do you remember about right triangles?. Trigonometry. Basic Right Triangles. Three basic trigonometric functions . Sine Cosine Tangent. Trigonometric functions describe relationships between the angles of a right triangle and its sides.

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Warm-UP

Warm-UP. What does SOH CAH TOA stand for? Sin ? = Cos ? = Tan ? = 2. Find the sine cosine and tangent of the acute angles. Round the decimal to four places. Challenge Question! Can the sine, cosine or tangent of a triangle be greater than 1? Why or Why not?

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Prerequisite Skills

Prerequisite Skills. Curtis, Chris, Camil. Properties of Exponents. Product rule a n a m = a n+m Ex. 5 2 5 3 =5 5 Quotient rule a n /a m =a n-m Ex. 5 5 /5 2 =5 3 Power rule (a n ) m = a nm Ex. (9 3 ) 2 =9 6. Negative exponents a -n =1/a n Ex. 4 -3 =1/4 3. Rational exponents

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Trigonometry

Trigonometry. Review of Pythagorean Theorem Sine, Cosine, & Tangent Functions Laws of Cosines & Sines. Pythagorean Theorem. Relationship among the lengths of sides. c^2 = a^2 + b^2 a^2 = c^2 - b^2 b^2 = c^2 - a^2. Side a. Side c. Side b. Right triangles in Trigonometry.

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5.2 Forces & Equilibrium

5.2 Forces & Equilibrium. SOH CAH TOA too. Normal forces. If an object is NOT accelerating (at rest or a constant velocity) the net force must be zero. This means that all the forces must balance out and cancel.

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The Sine Rule

The Sine Rule. C. McMinn. a sin A. b sin B. c sin C. = =. SOH/CAH/TOA can only be used for right-angled triangles. The Sine Rule can be used for any triangle:. C. b. The sides are labelled to match their opposite angles . a. A. B. c. The Sine Rule:. A. Example 1 :.

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9 -3 Trigonometry

9 -3 Trigonometry. Unit 9- Right Triangles and Trigonometry. Notes. Trigonometry is the study of the relationships between angles and side lengths in a triangle. Similar right triangles have equivalent ratios for their corresponding sides called trigonometric ratios. Trigonometric Ratios.

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1.4 Trigonometry

1.4 Trigonometry. Uses of Trigonometry. Lets you find the length and measure of angles of right triangles Sine Cosine Tangent. Definitions. ? = angle hyp = hypotenuse (longest side) opp = side opposite (not touching) the angle adj = side adjacent (touching) the angle. Formulas. SOH

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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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Vector Components

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Basic Trigonometry

Basic Trigonometry. Using trig functions for determining angles and distances. Soh Cah Toa. Sin=opposite/hypotenuse Sin q C=b/a Cos= adjacent/hypotenuse Cos q C=c/a Tan=opposite/adjacent Tan q C=b/c. a. b. q. c. Calculate the following angles. Kinematics on a ramp lab.

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Geometry

Geometry. Unit VI Areas of Regular Polygons. radius. apothem. radius. apothem. apothem. radius. radius. radius. Apothem . degrees. 36. 30. 45. 60. Steps for finding Area. 1. draw one triangle within the polygon 2. Find the measure of the central angle:

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Law of Cosines 9.4

Law of Cosines 9.4. What we know so far:. Right Triangle : SOH CAH TOA. Not a right triangle : SSA then we use Law of Sines But watch for the ambiguous case. What do we do if we know SSS or SAS??. Meet Professor Burger. Prof Burger and Law of Cosines. Law of Cosines.

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