'Cos 45' diaporamas de présentation

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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Lesson 13.1 , For use with pages 852-858

c = 10. ANSWER. a = 51. ANSWER. Lesson 13.1 , For use with pages 852-858. In right triangle ABC , a and b are the lengths of the legs and c is the length of the hypotenuse. Find the missing length. Give exact values. 1. a = 6, b = 8. 2. c = 10, b = 7. 2.5 km.

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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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3 Arithmetic functions

Presentation links page for lesson three. 3 Arithmetic functions. Introduction to arithmetic. Basic functions (+, -, *, /). Combining operations. Trigonometry functions. Square root Absolute value. ROUND FIX FUP (rounding functions). Priority of arithmetic operators. Example.

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Moment of Force about an axis

Moment of Force about an axis The effectiveness of a force as regards to its tendency to produce rotation of a body about an axis or a point is called moment of the force. It is measured by the product of the magnitude of the force and arm of the force.

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9.1 Use Trigonometry with Right Triangles

9.1 Use Trigonometry with Right Triangles. Use the Pythagorean Theorem to find missing lengths in right triangles. Find trigonometric ratios using right triangles. Use trigonometric ratios to find angle measures in right triangles.

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Topic 11 Periodic and Exponential Functions I

Topic 11 Periodic and Exponential Functions I. Recall A S T C. opp hyp. + +. sin ? = = = + cos ? = = = + tan ? = = = +. adj hyp. + +. ?. opp adj. + +. opp hyp. + +. sin ? = = = + cos ? = = = - tan ? = = = -.

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EQUATIONS OF MOTION: NORMAL AND TANGENTIAL COORDINATES

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EQUATIONS OF MOTION: NORMAL AND TANGENTIAL COORDINATES

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RELATIVE MOTION ANALYSIS (Section 12.10)

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APPLICATIONS

2.5 CARTESIAN VECTORS. APPLICATIONS. Many problems in real-life involve 3-Dimensional Space. How will you represent each of the cable forces in Cartesian vector form?. APPLICATIONS (continued). Given the forces in the cables, how will you determine the resultant force ?.

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Agenda

Agenda. Proving by Counter Example. Trigonometric Identities 3/22. A counter example is an example that proves something does NOT work. Counter Example . Trigonometric Identities 3/22. Prove that sin x cos x = tan x is not an identity by producting a counter example.

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45-45-90 Right Triangles

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Right Triangle Trigonometry

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Trigonometry

x r. y r. y x. =. =. =. Y. Y. Y. Y. Y. (x,y). r. y. Soh Cah Toa. q. x. X. X. X. X. X. ?. Trigonometry. sin q. cos q. tan q. 0 < q < 90. 90 < q < 180. 180 < q < 270. 270 < q < 360. All +. sin +. cos +. tan +. sin q? > 0 cos q > 0 tan q > 0. + +

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