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In which quadrant will the terminal side of (-640^\circ) lie?(-640^\circ) की अंतिम भुजा किस चतुर्थांश में होगी?
Answer and explanationउत्तर और व्याख्या
Correct answer:सही उत्तर: First quadrantप्रथम चतुर्थांश
(-640^\circ+720^\circ=80^\circ), and (80^\circ) lies in the first quadrant. First convert a negative angle into a positive coterminal angle.(-640^\circ+720^\circ=80^\circ) है और (80^\circ) प्रथम चतुर्थांश में है। ऋणात्मक कोण को पहले धनात्मक सहसमापी कोण में बदलें।
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