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Mathematics 17 Online
OpenStudy (anonymous):

Help trig question

OpenStudy (anonymous):

whats the question

OpenStudy (anonymous):

jimthompson5910 (jim_thompson5910):

hint: use the law of sines

jimthompson5910 (jim_thompson5910):

you'll need that third missing angle

OpenStudy (anonymous):

so I use the law of sine to solve but my answer is 21

OpenStudy (anonymous):

it suppose to be 14

jimthompson5910 (jim_thompson5910):

what's the missing angle?

OpenStudy (anonymous):

wait

OpenStudy (anonymous):

x/sin(22) = 24/sin(40)

jimthompson5910 (jim_thompson5910):

so far so good

OpenStudy (anonymous):

x = 24/sin40 • sin35

OpenStudy (anonymous):

x = 21

OpenStudy (anonymous):

why not 14

jimthompson5910 (jim_thompson5910):

where are you getting 35?

jimthompson5910 (jim_thompson5910):

look back at your initial equation you set up

OpenStudy (anonymous):

ok

OpenStudy (anonymous):

but x is still equal to 41

jimthompson5910 (jim_thompson5910):

x/sin(22) = 24/sin(40) is correct

jimthompson5910 (jim_thompson5910):

how do we isolate x? what step do we take?

OpenStudy (anonymous):

time sin20 to sin40

OpenStudy (anonymous):

I mean sin22

OpenStudy (anonymous):

x = 24/sin22 • sin40

jimthompson5910 (jim_thompson5910):

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