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tg\alpha =\frac{24}{7},\sin \alpha =?
-\frac{5}{13}
tg\alpha =\frac{12}{5};\ \ \pi \ ;\ \ \cos \alpha =?
-\frac{5}{13}
tg\alpha =\frac{12}{5};\ \ \pi \ ;\ \ \cos \alpha =?
-\frac{5}{13}
tg\alpha =\frac{12}{5};\ \ \pi \ ;\ \ \cos \alpha =?
-\frac{5}{13}