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Nilanjan Bhowmick AIR 3, CSIR NET (Earth Science)
Animesh anand
kindly find your answer attach below
animesh ji aapne sin^3x ko kaise break kiya hai ?
yeh sin^2(3x) hai
cos2x=1-2sin^2(x) implies cos6x=1-2sin^2(3x)
can you tell me exactly where do you have problem ?(or which step )
samjh me aa gya
then you accept my answer