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Mathematics 19 Online
OpenStudy (anonymous):

Please help me!!!

OpenStudy (anonymous):

|dw:1337397841093:dw| what is "Y"

jimthompson5910 (jim_thompson5910):

Use the law of sines sin(42)/y = sin(61)/12 Solve that equation for y to find your answer.

OpenStudy (anonymous):

law of sines I think.

OpenStudy (anonymous):

I am sorry but can you please give me a detailed explanation

jimthompson5910 (jim_thompson5910):

sin(42)/y = sin(61)/12 y/sin(42) = 12/sin(61) y = 12sin(42)/sin(61) y = 9.180638

OpenStudy (anonymous):

|dw:1337398183257:dw| When you are given 2 angles and its opposite sides. you can use the law of cosines

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