Объяснение:
d1=b
<B
Найти : а d2
Решение
sin(B/2)=(d1/2)/a
а=(b/2):sin(B/2)
ctg(B/2)=(d2/2):(d1/2)
(d2/2)=(b/2)×ctg(B/2)
d2=2×(b/2)×ctg(B/2)
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Объяснение:
d1=b
<B
Найти : а d2
Решение
sin(B/2)=(d1/2)/a
а=(b/2):sin(B/2)
ctg(B/2)=(d2/2):(d1/2)
(d2/2)=(b/2)×ctg(B/2)
d2=2×(b/2)×ctg(B/2)