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What is (\sin(\pi+x)) equal to?(\sin(\pi+x)) किसके बराबर है?
Answer and explanationउत्तर और व्याख्या
Correct answer:सही उत्तर: (-\sin x)(-\sin x)
(\pi+x) lies in the third quadrant and (\sin x) is negative there. Hence (\sin(\pi+x)=-\sin x).(\pi+x) तीसरे चतुर्थांश में आता है और वहाँ (\sin x) ऋणात्मक होता है। इसलिए (\sin(\pi+x)=-\sin x)।
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