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.

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Ili kubaini thamani za na kutoka kwenye grafu ya kazi , tutachambua sifa za grafu.
Step 1: Tafuta thamani ya (amplitude). Kutoka kwenye grafu, tunaweza kuona thamani ya juu kabisa ya (maximum value) ni na thamani ya chini kabisa ya (minimum value) ni . Mlinganyo wa jumla wa amplitude ya wimbi la sine ni nusu ya tofauti kati ya thamani ya juu na ya chini: Katika kazi , amplitude ya sehemu ya sine ni , ambayo ni . Kwa hiyo, . Tunaweza pia kuthibitisha hili kwa kutumia mlinganyo wa kazi: Thamani ya juu hutokea wakati , hivyo . . Thamani ya chini hutokea wakati , hivyo . . Thamani zote mbili zinathibitisha .
Step 2: Tafuta thamani ya (frequency constant). Kutoka kwenye grafu, tunaweza kubaini kipindi (period) cha wimbi. Kipindi ni urefu wa mzunguko mmoja kamili. Grafu inaanza kwenye (mstari wa kati) kwa x=0^\circ} na inashuka. Inafikia kiwango cha chini () kwa x=15^\circ}. Inavuka mstari wa kati () tena kwa x=30^\circ} ikipanda. Inafikia kiwango cha juu () kwa x=45^\circ}. Inavuka mstari wa kati () tena kwa x=60^\circ} ikishuka. Hii inakamilisha mzunguko mmoja kamili. Kwa hiyo, kipindi . Uhusiano kati ya kipindi na kwa kazi ya sine ni . Ili kupata , tunapanga upya mlinganyo:
Kwa hiyo, thamani za na ni:
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Ili kubaini thamani za A na w kutoka kwenye grafu ya kazi y = 1 - A (wx), tutachambua sifa za grafu.
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.