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 3.8 Derivatives of Inverse Trigonometric Functions.

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Presentation on theme: " 3.8 Derivatives of Inverse Trigonometric Functions."— Presentation transcript:

1  3.8 Derivatives of Inverse Trigonometric Functions

2 Quick Review Slide 3- 2

3 Quick Review Slide 3- 3

4 Quick Review Solutions Slide 3- 4

5 Quick Review Solutions Slide 3- 5

6 What you’ll learn about  Derivatives of Inverse Functions  Derivatives of the Arcsine  Derivatives of the Arctangent  Derivatives of the Arcsecant  Derivatives of the Other Three … and why The relationship between the graph of a function and its inverse allows us to see the relationship between their derivatives. Slide 3- 6

7 Derivatives of Inverse Functions Slide 3- 7

8 Derivative of the Arcsine Slide 3- 8

9 Let f(x) = sin x and g(x) = sin -1 x to verify the formula for the derivative of sin -1 x.

10 Example Derivative of the Arcsine Slide 3- 10

11 Example Derivative of the Arcsine Slide 3- 11

12 Derivative of the Arctangent Slide 3- 12

13 y = tan -1 (4x)

14 y = x tan -1 x

15 Derivative of the Arcsecant Slide 3- 15

16 Example Derivative of the Arcsecant Slide 3- 16

17 A particle moves along the x – axis so that its position at any time t ≥ 0 is given by x(t). Find the velocity at the indicated value of t.

18 Assignment 3.8.1 page 170, # 3 – 11 odds

19 Inverse Function – Inverse Cofunction Identities Slide 3- 19

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21 Derivatives of Inverse Trig Functions Functionarcsin xarccos xarctan xarcsec x Derivative

22 Example Derivative of the Arccotangent Slide 3- 22

23 Calculator Conversion Identities Slide 3- 23

24 Determine the derivative of y with respect to the variable.

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29 Find an equation for the tangent to the graph of y at the indicated point.

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32 Let f(x) = cos x + 3x Show that f(x) has a differentiable inverse.

33 Let f(x) = cos x + 3x Determine f(0) and f’(0).

34 Let f(x) = cos x + 3x Determine f -1 (1) and f -1 (1).

35 y = cot -1 x Determine the right end behavior model.

36 y = cot -1 x Determine the left end behavior model.

37 y = cot -1 x Does the function have any horizontal tangents?

38 Assignment 3.8.2 pages 170 – 171, # 1, 13 – 29 odds, 32 and 41 – 45 odds


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