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Mathematics 13 Online
OpenStudy (anonymous):

I'll post it down below

OpenStudy (compassionate):

Your name is Japanese to the max.

OpenStudy (anonymous):

Haha.

OpenStudy (anonymous):

|dw:1375042716978:dw| If m<A=40, then a/c=?

OpenStudy (anonymous):

SOH CAH TOA

OpenStudy (anonymous):

\[\frac{a}{c} = \frac{opp}{hyp}\]

OpenStudy (anonymous):

\[sin = \frac{opp}{hyp}\]

OpenStudy (compassionate):

One moment, solving.

OpenStudy (anonymous):

But what about the angle measurement? @gypsy1274

OpenStudy (anonymous):

okay @Compassionate

OpenStudy (anonymous):

\[sin(40) = \frac{a}{c}\]

OpenStudy (compassionate):

By the law of sines, the sine of angle A divided by the length of side a, is equal to the sine of angle C divided by the length of side c. sin(A)/a = sin(C)/c If you multiply both sides by a, and divide both sides by sine of C, you get sin(A)/sin(C) = a/c sin(40)/sin(90) = a/c 0.6428/1 = a/c a/c = about 0.6428

OpenStudy (anonymous):

Oh... thank ya!

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