The Law of Sines in Trigonometry
undefined
By: Christopher Catalogna and Nick Macomber
The Law of Sin
I
n
A
N
Y
t
r
i
a
n
g
l
e
w
i
t
h
a
n
g
l
e
s
A
,
B
,
C
a
n
d
o
p
p
o
s
i
t
e
s
i
d
e
s
a
,
b
,
c
t
h
e
f
o
l
l
o
w
i
n
g
i
s
t
r
u
e
S
i
n
A
=
S
i
n
B
=
S
i
n
C
a
b
c
Find a
40°
10
30°
Sin40
=
Sin30
a
a 10
a =
10Sin40
Sin30
a = 12.855
Find b
50°
b
62°
Sin50
=
Sin62
4 b
b =
4Sin62
Sin50
b =4.610 4
Find B
54°
15
Sin54
=
SinB
13 15
SinB =
15sin54
13
B= sin
-1
(15sin54)
13 B
13
B = 68.984
Find B
30°
7
Sin30
=
SinB
6 7
SinB=
7Sin30
6
B = Sin
-1
(
7Sin30)
6 B
B=35.7
6
Recources
Youtube
Pre calc text book
Explore the Law of Sines in trigonometry through explanations and examples for finding angles and sides in triangles. Learn the relationships between angles and sides using sin ratios and apply them to solve various trigonometric problems. Discover the applications of the Law of Sines in real-world scenarios.
Download Presentation
Please find below an Image/Link to download the presentation.
The content on the website is provided AS IS for your information and personal use only. It may not be sold, licensed, or shared on other websites without obtaining consent from the author. Download presentation by click this link. If you encounter any issues during the download, it is possible that the publisher has removed the file from their server.
E N D
Presentation Transcript
By: Christopher Catalogna and Nick Macomber 5.5: THE LAW OF 5.5: THE LAW OF SINES SINES
WELCOME TO THE LAW OF SINES http://www.youtube.com/watch?v=s46K3 ToFB2c
The Law of Sin In ANY triangle with angles A,B,C and opposite sides a,b,c the following is true Sin A = Sin B = Sin C a b c
Find a 40 10 30 Sin40 = Sin30 a 10 a = 10Sin40 Sin30 a = 12.855 a
Find b 50 b 62 Sin50 = Sin62 4 b b = 4Sin62 Sin50 b =4.610 4
Find B 54 15 Sin54 = SinB 13 15 SinB = 15sin54 13 B= sin-1(15sin54) 13 B 13 B = 68.984
Find B 30 7 Sin30 = SinB 6 7 SinB= 7Sin30 6 B = Sin-1(7Sin30) 6 B B=35.7 6
Recources Youtube Pre calc text book
