sinh
(PHP 4 >= 4.1.0, PHP 5, PHP 7, PHP 8)
sinh β ΠΡΡΠΈΡΠ»ΡΠ΅Ρ Π³ΠΈΠΏΠ΅ΡΠ±ΠΎΠ»ΠΈΡΠ΅ΡΠΊΠΈΠΉ ΡΠΈΠ½ΡΡ
ΠΠΏΠΈΡΠ°Π½ΠΈΠ΅
ΠΠΎΠ·Π²ΡΠ°ΡΠ°Π΅Ρ Π³ΠΈΠΏΠ΅ΡΠ±ΠΎΠ»ΠΈΡΠ΅ΡΠΊΠΈΠΉ ΡΠΈΠ½ΡΡ ΡΠΈΡΠ»Π° num,
ΠΊΠΎΡΠΎΡΡΠΉ ΠΎΠΏΡΠ΅Π΄Π΅Π»ΡΠ½ Π² ΡΠ΅Π·ΡΠ»ΡΡΠ°ΡΠ΅ Π²ΡΡΠΈΡΠ»Π΅Π½ΠΈΡ (exp($num) - exp(-$num))/2.
Π‘ΠΏΠΈΡΠΎΠΊ ΠΏΠ°ΡΠ°ΠΌΠ΅ΡΡΠΎΠ²
num-
ΠΡΠ³ΡΠΌΠ΅Π½Ρ Π΄Π»Ρ Π²ΡΡΠΈΡΠ»Π΅Π½ΠΈΡ.
ΠΠΎΠ·Π²ΡΠ°ΡΠ°Π΅ΠΌΡΠ΅ Π·Π½Π°ΡΠ΅Π½ΠΈΡ
ΠΠΎΠ·Π²ΡΠ°ΡΠ°Π΅Ρ Π³ΠΈΠΏΠ΅ΡΠ±ΠΎΠ»ΠΈΡΠ΅ΡΠΊΠΈΠΉ ΡΠΈΠ½ΡΡ ΡΠΈΡΠ»Π° num.
ΠΠ°ΡΠ»ΠΈ ΠΎΡΠΈΠ±ΠΊΡ?
οΌΠΠΎΠ±Π°Π²ΠΈΡΡ
ΠΡΠΈΠΌΠ΅ΡΠ°Π½ΠΈΡ ΠΏΠΎΠ»ΡΠ·ΠΎΠ²Π°ΡΠ΅Π»Π΅ΠΉ
ΠΠΎΠ»ΡΠ·ΠΎΠ²Π°ΡΠ΅Π»ΠΈ Π΅ΡΡ Π½Π΅ Π΄ΠΎΠ±Π°Π²Π»ΡΠ»ΠΈ ΠΏΡΠΈΠΌΠ΅ΡΠ°Π½ΠΈΡ Π΄Π»Ρ ΡΡΡΠ°Π½ΠΈΡΡ
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