allerytan²θ کو sec²θ سے گھٹانے سے ہمیشہ کون سا مستقل نکلتا ہے؟
A2
B0
C1
D−1
Answer & Solution
Correct answer: C. 1
sin اسکوائر پلس cos اسکوائرڈ کو تقسیم کرنے سے 1 کو cos اسکوائرڈ سے tan اسکوائرڈ + 1 = سیکنڈ اسکوائر ملتا ہے۔
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