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JSm
@JSm
July 2022
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Вычислите значение tgæ, если sinæ=3/5 и п/2<æ<п .
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MillyMoon
0 votes
Thanks 1
dtnth
Verified answer
Cos ae В КВАДРАТЕ =1-sin В КВАДРАТЕ=1-9/25=16/25
n/2<ae<n значит ae -2 четверть, тогда cos =4/5
tgae=sinae/cosae=3/5 : 4/5 = 3/4
0 votes
Thanks 1
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Answers & Comments
Verified answer
Cos ae В КВАДРАТЕ =1-sin В КВАДРАТЕ=1-9/25=16/25n/2<ae<n значит ae -2 четверть, тогда cos =4/5
tgae=sinae/cosae=3/5 : 4/5 = 3/4