Copyright © 2012 Pearson Education, Inc. Publishing as Prentice Hall. Section 7.2 Right Triangle Trigonometry.

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Presentation transcript:

Copyright © 2012 Pearson Education, Inc. Publishing as Prentice Hall. Section 7.2 Right Triangle Trigonometry

Copyright © 2012 Pearson Education, Inc. Publishing as Prentice Hall.

Figure 19 (b)

Copyright © 2012 Pearson Education, Inc. Publishing as Prentice Hall. Trigonometric Functions of Acute Angles

Copyright © 2012 Pearson Education, Inc. Publishing as Prentice Hall.

Find the value of each of the six trigonometric functions of the angle θ.

Copyright © 2012 Pearson Education, Inc. Publishing as Prentice Hall.

b = 2 c = 5 θ a

Since θ is acute the trig functions are all positive.

Copyright © 2012 Pearson Education, Inc. Publishing as Prentice Hall.

b = 3 c θ a = 1

Copyright © 2012 Pearson Education, Inc. Publishing as Prentice Hall. Since θ is acute the trig functions are all positive.

Copyright © 2012 Pearson Education, Inc. Publishing as Prentice Hall.

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