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گناہ 30° کی قدر کیا ہے؟

A1
B1/2
C√3/2
D1/√2
Answer & Solution
Correct answer: B. 1/2
ایک 30-60-90 مثلث میں 30 ڈگری کا مخالف رخ نصف فرضی ہے۔
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