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If an angle lies in the third quadrant and its reference angle is (\frac{\pi}{7}) then what is the angle?यदि कोई कोण तृतीय चतुर्थांश में है और उसका संदर्भ कोण (\frac{\pi}{7}) है तो वह कोण क्या है?
Answer and explanationउत्तर और व्याख्या
Correct answer:सही उत्तर: (\frac{8\pi}{7})(\frac{8\pi}{7})
In the third quadrant the angle is (\pi+) reference angle. Hence (\pi+\frac{\pi}{7}=\frac{8\pi}{7}).तृतीय चतुर्थांश में कोण (\pi+) संदर्भ कोण होता है। इसलिए (\pi+\frac{\pi}{7}=\frac{8\pi}{7}) है।
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