How do you simplify the given expression?

Question

#8 sin2x cos2x=#

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Answer 1 · 2018-02-19T10:34:25

#4sin(4x)#

Identities:

#color(red)bb(sin2x=2sinxcosx)bb=>color(red)bb(sinxcosx=sin(2x)/2)#

#sin(2x)cos(2x)=sin(2*2x)/2#

#8sin(2x)cos(2x)=8*sin(2*2x)/2#

#4sin(4x)#