Ответ:
Объяснение:
sint=√1-(15/17)²=√1-225/289=√64/289=8/17
tgt=sint/cost=8/17:15/17=8/15
ctgt=cost/sint=15/17:8/17=15/8
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Ответ:
Объяснение:
sint=√1-(15/17)²=√1-225/289=√64/289=8/17
tgt=sint/cost=8/17:15/17=8/15
ctgt=cost/sint=15/17:8/17=15/8