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What is the fundamental period of (\cos(4\theta))?(\cos(4\theta)) का मूल period क्या है?
Answer and explanationउत्तर और व्याख्या
Correct answer:सही उत्तर: (\frac{\pi}{2})(\frac{\pi}{2})
The fundamental period of ( \cos k\theta) is ( \frac{2\pi}{k}), so here it is ( \frac{\pi}{2}). In exams put the coefficient in the denominator.(\cos k\theta) का मूल period (\frac{2\pi}{k}) होता है, इसलिए यहां (\frac{\pi}{2}) मिलेगा। परीक्षा में coefficient को denominator में रखें।
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