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If (\cos \theta=-1), what is the general solution for (\theta)?यदि (\cos \theta=-1), तो (\theta) का सामान्य हल क्या है?
Answer and explanationउत्तर और व्याख्या
Correct answer:सही उत्तर: (\theta=(2n+1)\pi)(\theta=(2n+1)\pi)
( \cos \theta=-1) occurs at odd multiples of ( \pi). In exams distinguish the solutions of ( \cos \theta=1) and ( \cos \theta=-1).(\cos \theta=-1) विषम गुणजों of (\pi) पर होता है। परीक्षा में (\cos \theta=1) और (\cos \theta=-1) के हल अलग पहचानें।
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