alleryಒಂದು ತೀವ್ರ ಕೋನವು 5/13 ಸೈನ್ ಅನ್ನು ಹೊಂದಿರುತ್ತದೆ. ಅದರ ಕೊಸೈನ್ ಅನ್ನು ಕಂಡುಹಿಡಿಯಿರಿ.
A5/12
B8/13
C13/12
D12/13
Answer & Solution
Correct answer: D. 12/13
Cos θ ಎಂಬುದು 1 - 25/169 = 144/169 ನ ವರ್ಗಮೂಲವಾಗಿದೆ, ಅದು 12/13 ಆಗಿದೆ.
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