15
4-variant
> help elfun
va
>> help mfunlist
buyrug'ini bajarib, yuqoridagi standart
va boshqa maxsus funksiyalarini ko‗ring.
ning qiymatini hisoblash
uchun buyruqlar satriga
>> sin(pi/2)+cos(5*pi/2)
ni kiritib,
Enter
ni bosamiz. Natijada 1 ga ega bo‗lamiz.
Endi
ni hisoblaylik.
>
combine((sin(pi/4))^4+(cos(3*pi/4))^4)
ans =
0.5000
5-variant
ifodani soddalashtirish
uchun esa buyruqlar satriga
quyidagilarni tering.
>> simplify(1+sin(2*x)+cos(2*x))/(1+sin(2*x)-cos(2*x))
(sin
2
x+cos
2
x)-2(sin
4
x+cos
4
x) ni soddalashtiring:
>> simplify(sin(x)^2+ cos(x)^2)-2*(sin(x)^4+cos(x)^4)
Barcha nazorat topshiriqlarini bajaring va nazorat savollariga javob bеring.
Dostları ilə paylaş: