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March 31, 2015

March 31, 2015

Posted by **anon** on Wednesday, January 12, 2011 at 4:25pm.

Finding a and b

Their two triangles and i have to find the ratio

i just can’t seem to set up the problem right but i gave an example of one of the practice exercise that dealt with finding only (a) so i got confused with finding a and b in that question.

for example :

find a ,given sin A = 1/2, b=1

now sinA=1/2 by the Pythagoream Theorem i know that that b=sqrt3

then given that information i cross multiplied

b/a = b1/a1

sqrt3/1 = 1/a1

squr 3*a1=1

a1=1/sqrt3 then by rationlizing

i found that a1=sqrt3/3

if you know how to do these kinda of problems please help me out.

- trigonometry -
**helper**, Wednesday, January 12, 2011 at 4:49pmthis is confusing, post the exact problem you need help with

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