s ^ { 2 } 28 ^ { 0 } - \operatorname { sin } ^ { 2 } 62 ^ { \circ } ) – InterviewSolution

1.

s ^ { 2 } 28 ^ { 0 } - \operatorname { sin } ^ { 2 } 62 ^ { \circ } )

Answer»

cos²28 - cos²28

= 0

I think this is not the right answer

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