alleryایک شدید زاویہ میں سائن 5/13 ہوتا ہے۔ اس کا کوزائن تلاش کریں۔
A5/12
B8/13
C13/12
D12/13
Answer & Solution
Correct answer: D. 12/13
Cos θ 1 - 25/169 = 144/169 کا مربع جڑ ہے، جو 12/13 ہے۔
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