Teaching UP B.Ed (Paper 1 & 2) Mock Test 2025 Quantitative Aptitude Trigonometry Circular Measure of Angles
\(\rm \left[\frac{\cos 50^\circ}{1+\sin 50^\circ}\right]+\left[\frac{1+\sin 50^\circ}{\cos50^\circ}\right]\) এর মান হল:
1
2 cosec 50°
2
2 sec 50°
3
2 cot 50°
4
2 tan 50°