state gov TSPSC Forest Beat Officer (ఫారెస్ట్ బీట్ ఆఫీసర్) Mock Test 2023 Quantitative Aptitude Trigonometry Trigonometric Ratios and Identities
If Cos θ + Sin θ = \(\sqrt{2}\) Cos θ, find the value of (cos θ - Sinθ).
1
\(\sqrt{2}\) Sin θ
2
\(\sqrt{2}\) cos θ
3
\(\frac{1}{\sqrt2}\) Sin θ
4
\(\frac{1}{2}\) Cos θ