alleryاظہار 1 − cos²θ کس کے برابر ہے؟
A1
Bsin²θ
Ccos²θ
Dtan²θ
Answer & Solution
Correct answer: B. sin²θ
دوبارہ ترتیب دینے سے sin اسکوائر پلس cos اسکوائر برابر 1 sin اسکوائر تھیٹا دیتا ہے۔
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