Question: 3 State all 3 double angle formulas for cos 2x i cos 2x ii cos 2x iii cos 2x 3) State all 3 double angle

"3) State all 3 double angle formulas for cos (2x): i) cos

(2x) = ii) cos (2x) =

3 State all 3 double angle formulas for cos 2x i cos 2x ii cos 2x iii cos 2x

"3) State all 3 double angle formulas for cos (2x): i) cos (2x) = ii) cos (2x) =

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