Precalc 4.3 day 32.notebook
November 17, 2016
Warm Ups Day 32
45
1. Find area of sector.
123 cm
2. Find the angular speed (in radians per minute) and linear speed (in miles per hour) if the wheel makes 3 revolutions per second. 8 in
o
)
3. convert to radians (exact, in terms of : 250
o
4. Convert to decimal degrees, and radians: 84 25' 15''
(round both to 3 places)
Warm Ups Day 32
1. Find area of sector.
45
123 cm
2. Find the angular speed (in radians per minute) and linear speed (in miles per hour) if the wheel makes 3 revolutions per second. 8 in
o
)
3. convert to radians (exact, in terms of : 250
o
4. Convert to decimal degrees, and radians: 84 25' 15''
(round both to 3 places)
Precalc 4.3 day 32.notebook
November 17, 2016
Questions on HW 31 pg 270?
(0,1)
o
120o 90
135
60o
45o
o
30o
150o
(-1,0)
0
180o
0o or 360o
330o
210o
225o
240o
270
o
315o
300o
(0,-1)
(1,0)
Precalc 4.3 day 32.notebook
November 17, 2016
(0,1)
120o 90o
60o
135o
45o
30o
150
o
(-1,0)
0
180o
0o or 360o
330o
210o
225
o
240o
270o
315o
300o
(0,-1)
recall, sine is odd
recall, cosine is even
(1,0)
Precalc 4.3 day 32.notebook
November 17, 2016
pass in
SOH CAH TOA
Precalc 4.3 day 32.notebook
November 17, 2016
Find the exact values of the 6 trig functions of sin =
3
4
csc =
cos
=
sec
=
tan
=
cot
=
Sketch the right triangle and find the other 5 trig functions of 2
sin = _
7
11
sec = _
3
=
sin csc =
cos
=
sec
=
tan
=
cot
=
=
sin csc =
cos
=
sec
=
tan
=
cot
=
Precalc 4.3 day 32.notebook
November 17, 2016
o
o
o
Find the exact values of sin 45 , cos 45, and tan 45
sin 45 =
45
cos 45 =
45
tan 45 =
o
o
o
Find the exact values of sin 30 , cos 30, and tan 30
sin 30 =
60
cos 30 =
30
tan 30 =
Precalc 4.3 day 32.notebook
November 17, 2016
o
o
o
Find the exact values of sin 60 , cos 60, and tan 60
sin 60 =
60
cos 60 =
30
tan 60 =
Put in notes­Memorize these
Precalc 4.3 day 32.notebook
November 17, 2016
Give Quiz
HW 32: pg 280 1­6 skip 3, 7 ­ 19 odd, 21 ­ 30 all
On back side, decimals only on 4 and 5. Round to 3 places.