• Like
  • Save
Alg2 lesson 13-3
Upcoming SlideShare
Loading in...5
×

Thanks for flagging this SlideShare!

Oops! An error has occurred.

Published

 

Published in Business , Technology
  • Full Name Full Name Comment goes here.
    Are you sure you want to
    Your message goes here
    Be the first to comment
No Downloads

Views

Total Views
277
On SlideShare
0
From Embeds
0
Number of Embeds
0

Actions

Shares
Downloads
0
Comments
0
Likes
1

Embeds 0

No embeds

Report content

Flagged as inappropriate Flag as inappropriate
Flag as inappropriate

Select your reason for flagging this presentation as inappropriate.

Cancel
    No notes for slide

Transcript

  • 1. Find the exact values of the six trigonometricfunctions of  if the terminal side of  contains the point (8, –15).
    8
    -15
    r
    (8, -15)
    Example 3-1a
  • 2. 8
    -15
    17
  • 3. x
    y
    r
    (x, y)
  • 4. (-3, 4)
    Find the exact values of the six trigonometricfunctions of  if the terminal side of  contains the point (–3, 4).
    5
    4
    -3
    x = -3
    y = 4
    r = 5
    = 5
    4
    3
    Example 3-1b
  • 5. Sketch 330. Then find its reference angle.
    330 = 180 + 150
    = 180 + 90 + 60
    The reference angle is 360 –330 or 30.
    Example 3-3a
  • 6. Sketch . Then find its reference angle.
    The reference angle is
    Example 3-3a
  • 7. In which quadrants is each trig function positive?
    sin
    sin
    pos
    ALL
    cos
    tan
    pos
    (pos, pos)
    (neg, pos)
    pos
    (pos, neg)
    (neg, neg)
    cos
    tan
    pos
    pos
    neg
    pos
    neg
    r is always positive
  • 8. Find the exact value of .
    135 = 90 + 45
    A
    S
    T
    C
    Example 3-4a
  • 9. Find the exact value of .
    135 = 90 + 45
    pos
    pos
    Example 3-4a
  • 10. Find the exact value of
    A
    S

    =
    T
    C
    Example 3-4a
  • 11. Suppose is an angle in standard position whoseterminal side is in Quadrant III and
    Find the exact values of the remaining five
    Trigonometric functions of .
    hyp
    opp
    -4
    -3
    5
    Example 3-5a
  • 12. =
    hyp
    opp
    -4
    -3
    5
    Example 3-5a