railway RRB NTPC Mock Test Series 2024-25 (CBT 1 + CBT 2) Quantitative Aptitude Trigonometry Trigonometric Ratios and Identities
যদি 4 cos2θ - 3 sin2θ + 2 = 0 হয়, তাহলে tanθ এর মান কত হবে ?(যেখানে 0 ≤ θ < 90°)
1
\(\sqrt{2}\)
2
\(\sqrt{6}\)
3
\(\dfrac{1}{\sqrt{3}}\)
4
1