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In which quadrant will the terminal side of ( \frac{4\pi}{9} ) radians lie?( \frac{4\pi}{9} ) रेडियन की अंतिम भुजा किस चतुर्थांश में होगी?
Answer and explanationउत्तर और व्याख्या
Correct answer:सही उत्तर: First quadrantप्रथम चतुर्थांश
(0<\frac{4\pi}{9}<\frac{\pi}{2}), so it lies in the first quadrant. Check the interval of small positive radian angles carefully.(0<\frac{4\pi}{9}<\frac{\pi}{2}) है इसलिए यह प्रथम चतुर्थांश में है। छोटे धनात्मक रेडियन कोणों की सीमा ध्यान से देखें।
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