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

RELATED QUESTIONS

Given: A={{{ 68 }}} a = ? B = ? b = {{{ 8 }}} C = ? c = {{{ 5 }}} What... (answered by Alan3354)
If given: A={{{ 68 }}} a = ? B = ? b = {{{ 8 }}} C = ? c ={{{ 5 }}} What is the value (answered by Boreal)
If given: A={{{ 68 }}} a = ? B = ? b = {{{ 8 }}} C = ? c = {{{ 5 }}} What is the... (answered by Alan3354)
If given: A={{{ 68 }}} a = ? B = ? b = {{{ 8 }}} C = ? c = {{{ 5 }}} What is the... (answered by zoeyl4d2)
Given: A={{{ 68 }}} a= ? B= ? b={{{ 8 }}} C= ? c={{{ 5 }}} Determine C (answered by Alan3354)
Given: A=68 a= ? B= ? b= 8 C= ? c=5 Determine C A.) {{{... (answered by Alan3354)
Weeks Unit dispensed 11 1 20 1 48 1 55 1 85 1 12 2 32 2 42 2 56 2 67 2 (answered by ikleyn)
A pharmacist working in Black lion Specialized Hospital wants to secure the availability... (answered by ikleyn)
A pharmacist working in Black lion Specialized Hospital wants to secure the availability... (answered by ikleyn)