Physics, asked by Sanskriti101199, 1 year ago

plz answer this question...

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Answered by Tamash

5

x=A cos (wt+7π/4)
=Acos[2πt+(2π-π/4)]
=2cos[2π-(π/4-2πt)]
=2 cos[2πt-π/4]

Tamash: ur welcome

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