JAYDARIMOCK
JAYDARIMOCK
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88. Qo'shish formulalari — JAYDARIMOCK
Abituriyent 1-11 to'plami
Trigonometriya
88. Qo'shish formulalari
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1.
O'rtacha
Soddalashtiring:
cos
2
x
sin
6
x
+
sin
2
x
cos
6
x
A)
tg
4
x
B)
0
,
5
tg
x
C)
2
ctg
4
x
D)
0
,
5
ctg
4
x
Javobni tekshirish
Yechim tahlili
Oldingi
Keyingi
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