Mathematics · Trigonometry

If sinα + cosα = √2, where 0 < α < π2, then what is sin3α − cos3α equal to?

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If sinα + cosα = √2, where 0 < α < π2, then what is sin3α − cos3α equal to?

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If sinα + cosα = √2, where 0 < α < π2, then what is sin3α − cos3α equal to?

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