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![[Post New]](/templates/default/images/icon_minipost_new.gif) 5 Apr 2008 15:59:56 IST
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Q.m+1 cos(A-B) -----= --------- then tan(45+A)tan(45+B)=? m-1 sin(A+B) 1.m 2.2m 3.3m 4.4m
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5 Apr 2008 16:09:52 IST
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1 m
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5 Apr 2008 16:15:42 IST
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can u plz post the solution!
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first expand rhs
then
use componendo and dividendo
on lhs u get m
on rhs u get tan(45+A)tan(45+B)
thus answer is m that is 1)
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18 Apr 2008 16:22:46 IST
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Put A= B= 15 degree
u ll get m = 3
put in d equation
u ll get d value to b 3 which equals m
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