SSC SSC CHSL (Tier I & Tier II) Mock Test Series 2025 (New) Quantitative Aptitude Trigonometry Trigonometric Ratios and Identities
If x = 8(sin θ + cos θ) and y = 9(sin θ - cos θ), then the value of \({x^2 \over 8^2} + {y^2 \over 9^2}\) is:
1
4
2
6
3
8
4
2