secθ = 2 হলে cotθ এর মান-
Solution
Correct Answer: Option B
দেওয়া আছে,
secθ = 2
⇒ 1/cosθ = 2
⇒ cosθ = 1/2
⇒ cosθ = cos600
⇒ θ = 600
∴ cotθ = cot600 = 1/√3
secθ = 2
⇒ 1/cosθ = 2
⇒ cosθ = 1/2
⇒ cosθ = cos600
⇒ θ = 600
∴ cotθ = cot600 = 1/√3
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