If sec θ (cos θ + sin θ) = √2, then what is the value of (2 sin θ)/(cos θ – sin θ)?
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Correct answer: D
Explanation
The correct answer is option 4 i.e. √2
sec θ (cos θ + sin θ) = √2
1 + tan θ = √2
tan θ = (√2 – 1) ⇒ So, [(cot θ = √2 + 1)]
