state gov TSPSC Forest Beat Officer (ఫారెస్ట్ బీట్ ఆఫీసర్) Mock Test 2023 Quantitative Aptitude Trigonometry Trigonometric Ratios and Identities
If 1 + sin2 θ – 3 sin θ cos θ = 0, then the value of cot θ is:
1
0, -2
2
2, 1
3
\(1\over 2\), -2
4
\(1\over 3\), -2