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Mathematics 12 Online
OpenStudy (darkbluechocobo):

Assistance with Law of sines pls

OpenStudy (darkbluechocobo):

The information in the following problem allows you to construct 2 triangles, find C1 and C2. B = 40°, a = 2.2 m, b = 1.7 m

OpenStudy (darkbluechocobo):

|dw:1427510099197:dw|

OpenStudy (darkbluechocobo):

\[A=\sin^{-1}\frac{ 2.2\sin40 }{ 1.7 }\]

OpenStudy (rational):

good, find the value in degrees maybe

OpenStudy (darkbluechocobo):

56.3

OpenStudy (darkbluechocobo):

180-40-56.3

OpenStudy (darkbluechocobo):

C=83.7

OpenStudy (darkbluechocobo):

well C1=83.7

OpenStudy (darkbluechocobo):

How would you find C2?

OpenStudy (alekos):

C2/sin83.7=2.2/sin56.3

OpenStudy (rational):

hey

OpenStudy (rational):

did you get A = 56.3 ?

OpenStudy (rational):

you must get two values for A that are less than 180

OpenStudy (rational):

A = 56.3, 123.7

OpenStudy (rational):

the corresponding values for C would be C = 83.7, 16.3

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