\(-640^\circ\) की अंतिम भुजा किस चतुर्थांश में होगी?
In which quadrant will the terminal side of \(-640^\circ\) lie?
Explanation opens after your attempt
A. प्रथम चतुर्थांशFirst quadrant
Concept
\(-640^\circ+720^\circ=80^\circ\), and \(80^\circ\) lies in the first quadrant. First convert a negative angle into a positive coterminal angle.
Why this answer is correct
The correct answer is A. प्रथम चतुर्थांश / First quadrant. \(-640^\circ+720^\circ=80^\circ\), and \(80^\circ\) lies in the first quadrant. First convert a negative angle into a positive coterminal angle.
Exam Tip
\(-640^\circ+720^\circ=80^\circ\) है और \(80^\circ\) प्रथम चतुर्थांश में है। ऋणात्मक कोण को पहले धनात्मक सहसमापी कोण में बदलें।
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