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anonymous
 5 years ago
is Sin(A)=sqrt(7)/4 and CosB=sqrt(3)/3, find the value of Sin(AB). Can you help me please ...
anonymous
 5 years ago
is Sin(A)=sqrt(7)/4 and CosB=sqrt(3)/3, find the value of Sin(AB). Can you help me please ...

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anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0sinn(ab)= sina* cos b  cosa* sinb

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0but I dont have cos(A). How do I do

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0tht mean we wanna cos A by sina^2+cosa^2=1 cos a = 1 (7/16) =3/4 & sin b by the same way = sqrt(6)/3

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0ok now sin (ab)= sqrt7/4 * sqrt(3)/3  3/4 * sqrt(6)/3 =sqrt (21)/12  3sqrt(6)/12 = \[\sqrt{}\]

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0=(sqrt (7) 3 / 4*sqrt(3) ) is it clear??

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0ok take ur time hope i can help u

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0yes sure. Youre helping me a lot

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0Got it. Thanks It is very clear my friend

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0ok , may allah bless u
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