FIND

Asked by  | 27th Aug, 2008, 09:17: PM

Expert Answer:

sin ( a+b) =1 => a+b= 90o  and sin(a-b) =1/2  => a-b = 30o

this is possible only if 0a,b90o  since  0a+b180o and -90oa-b90o

so a= 60o and b = 30o

tan(a+2b) = tan(120o ) = -31/2

tan (2a+b) = tan(150o ) = -1/ 31/2

Answered by  | 8th Sep, 2008, 06:16: PM

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