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65. Ko’paytma uchun formulalar — JAYDARIMOCK
Oq to'plam (1996–2003)
Trigonometriya
65. Ko’paytma uchun formulalar
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Doska
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1.
O'rtacha
Hisoblang.
cos 2
π
7 + cos 4
π
7 + cos 6
π
A)
-1/2
B)
4
1
C)
3
1
D)
E)
−
Javobni tekshirish
Yechim tahlili
Oldingi
Keyingi
Mavzu tushuntirish va masalalar yechimi
76-Dars. 2.15.6 Yigindi va Ayirmalar Uchun Formulalar 2.15.7 Ko'paytma Uchun Formulalar
50 daq
Videolar: Matematika kursi (YouTube).
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