state gov APPSC Forest/Assistant Beat Officer (ఫారెస్ట్/అసిస్టెంట్ బీట్ ఆఫీసర్) (Pre + Mains) Mock Test 2025 Quantitative Aptitude Trigonometry Circular Measure of Angles
যদি sinθ = cos( θ + 30∘), এবং tan2α = cot(-α + 45∘) হয়, তাহলে θ এবং α এর যোগফল নির্ণয় করুন।
1
75∘
2
45∘
3
30∘
4
60∘