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Prove that : sin^2 6x-sin^2 4x=s in2x\ s...

Prove that : `sin^2 6x-sin^2 4x=s in2x\ s in\ 10 x`

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It is know that `sin(A+B)=2sin((A+B)/2​)cos((A−B)/2​)`
`sinA−sinB=2cos((A+B)/2​)sin((A−B)/2​)`
so,`L.H.S.=sin^2 6x−sin^2 4x`
=`(sin6x+sin4x)(sin6x−sin4x)`
...
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