Question #1071f

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Answer 1 · 2018-02-19T17:24:57

#20 sin (10x) - 10 = 5 #

#20 sin (10x)= 15#

# sin (10x)= 15/20 = 3/4#

# (10x)= sin^(-1) (3/4)#

# x= 1/10sin^(-1) (3/4)#

Answer 2 · 2018-02-19T17:28:19

#x# is about #0.084806207...#

#20sin(10x)-10=5#

#20sin(10x)=15#

#sin(10x)=15/20#

#sin(10x)=3/4#

#10x=sin^-1(3/4)#

#x=sin^-1(3/4)/10#

#color(white)x~~0.084806207...#