Mathematics, 13.08.2019 02:20 kianag312

Simplify the expression by using a double-angle formula.
cos-39°– sin²39

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Simplify the expression by using a double-angle formula.
cos-39°– sin²39...

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Simplify the expression by using a double-angle formula. cos-39°– sin²39

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Another question on Mathematics

Simplify the expression by using a double-angle formula.
cos-39°– sin²39