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Section 3.1 – The Inverse Sine, Cosine and Tangent Functions Continued.

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Presentation on theme: "Section 3.1 – The Inverse Sine, Cosine and Tangent Functions Continued."— Presentation transcript:

1 Section 3.1 – The Inverse Sine, Cosine and Tangent Functions Continued

2 Horizontal line test – tan x is not one-to-one

3 If we limit the domain of the tangent function to be (–π/2, π/2) we have a function that is one-to-one…it will have an inverse.

4 The inverse tangent of x

5

6

7 Find the value in (–π/2, π/2) whose tangent is

8 Section 3.2 The Inverse Trigonometric Functions [Continued]

9 Remaining Inverse Trig Functions

10

11 1 4 y x y

12 So, we need to find

13 1 1 x y We know

14 But we (most likely) do not have a sec button on our calculator, so


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