Expand Using Sum/Difference Formulas sin((3pi)/5)cos((7pi)/30)+cos((3pi)/5)sin((7pi)/30)

$\sin (\frac{3 π}{5}) \cos (\frac{7 π}{30}) + \cos (\frac{3 π}{5}) \sin (\frac{7 π}{30})$

Step 1

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$\sin (\frac{3 π}{5}) \cos (\frac{7 π}{30}) + \cos (\frac{3 π}{5}) \sin (\frac{7 π}{30})$