Trigonometriya — test savollari javoblari bilan (2-sahifa)
Matematika · 13 ta ochiq savol (bankda jami 65 ta) · har birida to'g'ri javob va izoh
11. $\sin\left(x + \frac{\pi}{6}\right) = \frac{1}{2}$ tenglamaning umumiy yechimini toping.
- A) $x = 2\pi n$ yoki $x = \frac{2\pi}{3} + 2\pi n$
- B) $x = \frac{\pi}{6} + 2\pi n$
- C) $x = (-1)^n \frac{\pi}{6} + \pi n$
- D) $x = 2\pi n$ yoki $x = \frac{\pi}{3} + 2\pi n$
Javobni ko'rish
To'g'ri javob: D) $x = 2\pi n$ yoki $x = \frac{\pi}{3} + 2\pi n$
12. $\tan^2 x - 3 = 0$ tenglamaning $(0; \pi)$ oraliqda nechta ildizi bor?
- A) $1$
- B) $2$
- C) $3$
- D) $4$
Javobni ko'rish
To'g'ri javob: B) $2$
13. $\sin 2x = \cos x$ tenglamaning $[0; 2\pi)$ da nechta ildizi bor?
- A) $2$
- B) $3$
- C) $4$
- D) $5$
Javobni ko'rish
To'g'ri javob: C) $4$
Bu — mavzuning ochiq namuna qismi. To'liq bank, vaqt rejimi, tahlil va xatolar ustida ishlash — test rejimida.
