Solved

Use a Double-Angle Formula or a Half-Angle Formula to Simplify $\sqrt { \frac { 1 - \cos 6 \theta } { 2 } }$

Question 7

Essay

Use a double-angle formula or a half-angle formula to simplify $\sqrt { \frac { 1 - \cos 6 \theta } { 2 } }$ .

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