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کسی بھی زاویہ θ کے لیے sin²θ + cos²θ کی قدر کیا ہے؟

A1
B0
Csin 2θ
D2
Answer & Solution
Correct answer: A. 1
یہ پائیتھاگورین شناخت ہے، جو ہمیشہ 1 کے برابر ہوتی ہے۔
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