SOLUTION: Given:
A={{{ 68 }}} a= ?
B= ? b= {{{ 8 }}}
C= ? c={{{ 5 }}}
What is the value of B?
A.) {{{ 69.91 }}}
B.) {{{ 74.98 }}}
C.) {{{ 76.44 }}}
D.) {{{ 77.39 }}}
Algebra.Com
Question 1068726: Given:
A= a= ?
B= ? b=
C= ? c=
What is the value of B?
A.)
B.)
C.)
D.)
Answer by Boreal(15235) (Show Source): You can put this solution on YOUR website!
a^2=b^2+c^2-2bc cos A
=64+25-2(40) cos 48; the last term is 29.97
a=7.68
sin 68/7.68=sin B/8
sin B=8 sin 68/7.68
=0.9658
arc sin of that =74.98 degrees
B
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