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pablobegins
 3 years ago
Need help learning how to apply the law of sines
pablobegins
 3 years ago
Need help learning how to apply the law of sines

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amistre64
 3 years ago
Best ResponseYou've already chosen the best response.1first off, what is the law of sines tell us?

pablobegins
 3 years ago
Best ResponseYou've already chosen the best response.0that a/sinA is equal to b/sinB equal to c/sinC

amistre64
 3 years ago
Best ResponseYou've already chosen the best response.1right, but i dont see how that would help us in this problem; we only know one angle and one distance ....

amistre64
 3 years ago
Best ResponseYou've already chosen the best response.1id use a tangent myself; but i might see a way for the law of sines to work out ... if need be

amistre64
 3 years ago
Best ResponseYou've already chosen the best response.1the angle on the other side of the river is 90 minus the angle on this side: 90a and we know the distance on this side as: l sin(90a) sin(a)  =  l w w = l sin(a)/sin(90a)

amistre64
 3 years ago
Best ResponseYou've already chosen the best response.1tan(a) = w/l l tan(a) = w yeah

amistre64
 3 years ago
Best ResponseYou've already chosen the best response.1the tangent method is much simpler by far

pablobegins
 3 years ago
Best ResponseYou've already chosen the best response.0thank you! you might wanna see my other questions that i'll post in a bit they're all related to trig
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