If sec θ + tan θ = m(> 1), then the value of sin θ is (0º < θ < 90º)
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Correct answer: B
Explanation
The correct option is 2.
sec θ + tan θ = m(> 1)
let θ = 45°
√2 + 1 = m
m2 = 3 + 2√2
m2 − 1 = 3 + 2√2 − 1 = 2 + 2√2
m2 + 1 = 3 + 2√2 + 1 = 2 + 2√2
