Determine Whether the Statement Is True or False $$\cos 60 ^ { \circ } = 1 - 2 \sin ^ { 2 } 30 ^ { \circ }$$

question 21

True/False

Determine whether the statement is true or false.
- $$\cos 60 ^ { \circ } = 1 - 2 \sin ^ { 2 } 30 ^ { \circ }$$

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