state gov TSPSC Forest Beat Officer (ఫారెస్ట్ బీట్ ఆఫీసర్) Mock Test 2023 Quantitative Aptitude Trigonometry Trigonometric Ratios and Identities
यदि Cos θ + Sin θ = √2Cos θ, तो (cos θ - Sinθ) का मान ज्ञात कीजिए।
1
\(\sqrt{2}\) Sin θ
2
\(\sqrt{2}\) cos θ
3
\(\frac{1}{\sqrt2}\) Sin θ
4
\(\frac{1}{2}\) Cos θ