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What is the sign of (\cos x) in the second quadrant?दूसरे चतुर्थांश में (\cos x) का चिन्ह क्या होता है?
Answer and explanationउत्तर और व्याख्या
Correct answer:सही उत्तर: Negativeऋणात्मक
In the second quadrant, only (\sin x) and (\cosec x) are positive. Therefore, (\cos x) is negative.दूसरे चतुर्थांश में केवल (\sin x) और (\cosec x) धनात्मक होते हैं। इसलिए (\cos x) ऋणात्मक होता है।
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