SSC SSC CHSL (Tier I & Tier II) Mock Test Series 2025 (New) Quantitative Aptitude Trigonometry Trigonometric Ratios and Identities
If sec θ = 5x and tan θ = 5/x, then the value of 10(x2 - 1/x2) is:
1
\(\frac{2}{5}\)
2
\(\frac{1}{5}\)
3
2
4
\(\frac{3}{5}\)