Odpowiedź:
sin(45° - 30°) = sin45°cos30° - cos45°sin30° = √2/2 * √3/2 - √2/2 * 1/2 =
= √6/4 - √2/4 = (√6 - √2)/4
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Odpowiedź:
sin(45° - 30°) = sin45°cos30° - cos45°sin30° = √2/2 * √3/2 - √2/2 * 1/2 =
= √6/4 - √2/4 = (√6 - √2)/4