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find sin B

 

[asy]
size(200);
pair A,B,C,D;

A=(0,8);
B=(-15,0);
C=(6,0);
D=origin;

draw(A--B--C--A--D);
draw(rightanglemark(C,D,A,20));

dot("$A$",A,N);
dot("$B$",B,W);
dot("$C$",C,E);
dot("$D$",D,S);

label("15",B--D,S);
label("$6$",D--C,S);
label("10",A--C,NE);

[/asy]

 Jun 22, 2022
 #1
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0

sin B = 3/4.

 Jun 23, 2022

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