This mathematics problem involves applying core mathematical principles and formulas. Below you will find a complete step-by-step solution with detailed explanations for each step, helping you understand not just the answer but the method behind it.
A function f(t) of period 2π, is symmetrical at (0,0) and is defined by f(t)=t for 0 <= t <= π/2 and f(t)=π-t for π/2 <= t <= π.

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Answer
Step 1: Tambua taarifa iliyotolewa. Kazi ina kipindi cha . Imefafanuliwa kwa kama: Pia imeelezwa kuwa kazi hiyo ina symmetry kwenye asili . Hii inamaanisha kuwa ni kazi isiyo ya kawaida (odd function), hivyo .
Step 2: Tumia sifa ya kazi isiyo ya kawaida (odd function) kufafanua kwa . Kwa kuwa ni kazi isiyo ya kawaida, tunaweza kutumia kupata maadili yake kwa hasi.
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Kwa : Hebu . Basi . Kutoka kwenye ufafanuzi uliotolewa, . Kwa hiyo, .
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Kwa : Hebu . Basi . Kutoka kwenye ufafanuzi uliotolewa, . Kwa hiyo, .
Step 3: Toa ufafanuzi kamili wa kwa kipindi kimoja, kwa mfano, .
Kazi imefafanuliwa kikamilifu kama:
f(t) = \begin{cases -\pi - t & kwa -\pi \le t \le -\frac{\pi}{2} \\ t & kwa -\frac{\pi}{2} \le t \le \frac{\pi}{2} \\ \pi - t & kwa \frac{\pi}{2} \le t \le \pi \end{cases} }
Na kwa sababu ni kazi ya kipindi , tuna kwa . Kazi hii ni kazi isiyo ya kawaida (odd function).
Tuma swali linalofuata 📸
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Tambua taarifa iliyotolewa. Kazi f(t) ina kipindi cha 2.