1. 7.4 Inverse Trig Functions
Day 3
Psalm 22:19
But you, O LORD, be not far off; O my Strength, come quickly
to help me.
2. An alien spacecraft is flying at 3000 feet and is
approaching a photographer. The photographer wants to
take a picture of it when it is 4000 feet away. At what
angle should the camera be set?
3. An alien spacecraft is flying at 3000 feet and is
approaching a photographer. The photographer wants to
take a picture of it when it is 4000 feet away. At what
angle should the camera be set?
4000
3000
θ
4. An alien spacecraft is flying at 3000 feet and is
approaching a photographer. The photographer wants to
take a picture of it when it is 4000 feet away. At what
angle should the camera be set?
4000
3000
θ
−1 3000
sin θ =
4000
5. An alien spacecraft is flying at 3000 feet and is
approaching a photographer. The photographer wants to
take a picture of it when it is 4000 feet away. At what
angle should the camera be set?
4000
3000
θ
−1 3000
sin θ =
4000
θ ≈ 48.6°
7. Inverse csc, sec, cot ...
Graph y = csc x and compare to what I have ...
−1
8. Inverse csc, sec, cot ...
Graph y = csc x and compare to what I have ...
−1
⎛ 1 ⎞
−1
y = sin ⎜ ⎟
⎝ x ⎠
9. Inverse csc, sec, cot ...
Graph y = csc x and compare to what I have ...
−1
⎛ 1 ⎞
−1
y = sin ⎜ ⎟
⎝ x ⎠
Turn to page 556; compare the book graphs vs. ours.
10. Inverse csc, sec, cot ...
Graph y = csc x and compare to what I have ...
−1
⎛ 1 ⎞
−1
y = sin ⎜ ⎟
⎝ x ⎠
Turn to page 556; compare the book graphs vs. ours.
They have used different domains than our
calculator ... all three graphs are correct but simply
different than what we get.
11. Graph y = sec x and compare to what I have ...
−1
12. Graph y = sec x and compare to what I have ...
−1
⎛ 1 ⎞
−1
y = cos ⎜ ⎟
⎝ x ⎠
13. Graph y = sec x and compare to what I have ...
−1
⎛ 1 ⎞
−1
y = cos ⎜ ⎟
⎝ x ⎠
Graph y = cot x and compare to what I have ...
−1
14. Graph y = sec x and compare to what I have ...
−1
⎛ 1 ⎞
−1
y = cos ⎜ ⎟
⎝ x ⎠
Graph y = cot x and compare to what I have ...
−1
⎛ 1 ⎞
−1
y = tan ⎜ ⎟
⎝ x ⎠
15. HW #8
If you believe in yourself and have dedication and pride,
and never quit, you’ll be a winner. The price of victory is
high but so are the rewards.
Bear Bryant
