alleryएका लघुकोनाचे sine 5/13 आहे. त्याचे cosine काढा.
A5/12
B8/13
C13/12
D12/13
Answer & Solution
Correct answer: D. 12/13
Cos θ हे 1 - 25/169 = 144/169 चे वर्गमूळ आहे, जे 12/13 आहे.
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