defence exam Indian Coast Guard Assistant Commandant (GD/CPL) 2025 Test Series Quantitative Aptitude Trigonometry Max and Min Value of Trigonometric Functions
Suppose 0 ≤ θ ≤ 90°, then for every θ, 4 sin2 θ + 1 is greater than or equal to
1
2
2
4 sin θ
3
4 cos θ
4
4 tan θ