state gov TSPSC Forest Beat Officer (ఫారెస్ట్ బీట్ ఆఫీసర్) Mock Test 2023 Quantitative Aptitude Trigonometry Trigonometric Ratios and Identities
The value of \([{\cos40^\circ \over1+\sin40^\circ}] + [{1+\sin40^\circ \over \cos40^\circ}]\) is:
1
2 cosec 40°
2
2 cot 40°
3
2 tan 40°
4
2 sec 40°