एक न्यून कोण θ के पूरक कोण का sine, θ के किस त्रिकोणमितीय अनुपात के बराबर होता है?
Atan θ
B−cos θ
Csin θ
Dcos θ
Answer & Solution
Correct answer: D. cos θ
दो न्यून कोण परस्पर पूरक होते हैं, इसलिए sin(90° − θ) = cos θ होता है।
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