A = 30° হলে, (2 tan A/tan2 A) এর মান কত?
Solution
Correct Answer: Option D
2tanA/tan2A
= 2tan30°/(tan30°)2
= 2 × (1/√3) ÷ (1/√3)2
= (2/√3) × 3
= 2√3
= 2tan30°/(tan30°)2
= 2 × (1/√3) ÷ (1/√3)2
= (2/√3) × 3
= 2√3
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