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An angle lies in the second quadrant and its reference angle is (18^\circ). What is the angle in radians?द्वितीय चतुर्थांश में स्थित कोण का संदर्भ कोण (18^\circ) है। वह कोण रेडियन में क्या होगा?
Answer and explanationउत्तर और व्याख्या
Correct answer:सही उत्तर: (\frac{9\pi}{10})(\frac{9\pi}{10})
In the second quadrant the angle is (180^\circ-18^\circ=162^\circ). (162^\circ=\frac{9\pi}{10}) radians.द्वितीय चतुर्थांश में कोण (180^\circ-18^\circ=162^\circ) है। (162^\circ=\frac{9\pi}{10}) रेडियन होता है।
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