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Which function is positive in the fourth quadrant?चौथे चतुर्थांश में कौन सा फलन धनात्मक होता है?
Answer and explanationउत्तर और व्याख्या
Correct answer:सही उत्तर: (\cos \theta)(\cos \theta)
In the fourth quadrant, (\cos \theta) and (\sec \theta) are positive. Remember sign rules using a small table.चौथे चतुर्थांश में (\cos \theta) और (\sec \theta) धनात्मक होते हैं। संकेत नियम को छोटी तालिका से याद करें।
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