September 2018 1 12 Report

Oblicz wartość podanych wyrażeń wiedząc że 0^{0} < \alpha<90^{0}\\ a)\ tg\alpha-ctg\alpha,\ jezeli\ sin\alpha=\frac{\sqrt{3}}{2}\\ b) \frac{sin\alpha+cos\alpha}{sin\alpha-cos\alpha}\ jezeli\ tg\alpha=2


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