Question
Evaluate : $\frac{3 \sin 3 A+2 \cos \left(2 A+5^{\circ}\right)}{2 \cos 3 A-\sin \left(2 A-10^{\circ}\right)}$, when $A =20^{\circ}$.
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Answer
$(3 \sqrt{3}+2 \sqrt{2})$
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