sinθ = 4/5 হলে tanθ = কত?
Solution
Correct Answer: Option A
এখানে,
sinθ=4/5
লম্ব= 4 , অতিভুজ= 5
∴ ভূমি=√(52-42)
= √(25-16)
= √9 = 3
∴ tanθ= লম্ব/ভূমি=4/3
sinθ=4/5
লম্ব= 4 , অতিভুজ= 5
∴ ভূমি=√(52-42)
= √(25-16)
= √9 = 3
∴ tanθ= লম্ব/ভূমি=4/3
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