If secθ + tanθ = p, what is the value of secθ in terms of p?
Show answer & explanation
Correct answer: A
Explanation
(secθ + tanθ)(secθ − tanθ) = 1
secθ − tanθ = 1/p
Adding both equations,
2secθ = p + 1/p
secθ = (p + 1/p) / 2
= (p² + 1) / 2p
SSC Selection Post - Higher Secondary Level - 29th July 2025 - Shift 2 • Quantitative Aptitude • Q33
If secθ + tanθ = p, what is the value of secθ in terms of p?
Correct answer: A
Explanation
(secθ + tanθ)(secθ − tanθ) = 1
secθ − tanθ = 1/p
Adding both equations,
2secθ = p + 1/p
secθ = (p + 1/p) / 2
= (p² + 1) / 2p