SADI Muslihuddin Abumuhammad Abdulloh ibni Mushrifuddin (1203/8, Sheroz—1292, hamon jo), shoir, nasrnavis va mutafakkiri fors-tojik. …
Mufassal »TANGENS
TANGENS (az lotini tangens — rasanda), yake az funsiyahoi trigonometri; ishoraash tg. Dar sekunjai rostkunja nisbati kateti voqe dar muqobili kunji tez bar kateti ba homin kunj chaspida tangensi kunji mazkur nomida meshavad.
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