Answer
$F'(t)=(\ln t)^2cos(t)+\frac{2\ln t\times sin(t)}{t}$
Work Step by Step
$F(x)=(\ln t)^2sin(t)\\
F'(x)=(\ln t)^2cos(t)+\frac{2\ln t}{t}\times sin(t)\\
F'(t)=(\ln t)^2cos(t)+\frac{2\ln t\times sin(t)}{t}$
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