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sin60°/1+ cos60° = tan30°
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sin60°/1+ cos60°= tan30°
LHS=sin60°/1+ cos60°
\sqrt{x} 3/2/1+1/2
root 3/2 × 2/3= 1/root3
RHS= tan 30= 1/ root3
⇒RHS=LHS
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