railway RRB ALP (CBT 1 + CBT 2 + CBAT) Mock Test Series 2025 (New) Quantitative Aptitude Trigonometry Trigonometric Ratios and Identities
যদি sin θ + cos θ = \(\frac{\sqrt{11}}{3}\) হয়, তাহলে sin θ - cos θ কত?
1
\(\frac{\sqrt{7}}{4}\)
2
\(\frac{\sqrt{7}}{3}\)
3
\(\frac{\sqrt{5}}{3}\)
4
\(\frac{\sqrt{5}}{2}\)