What is cosec 90°/(1 − cos2 60°)
Show answer & explanation
Correct answer: B
Explanation
The correct answer is option 2 i.e. 4/3.
cosec 90°/(1 − cos2 60°)
= 1/[1 − (1/2)2]
= 1/(1 - 1/4)
= 1/(3/4)
= 4/3
SSC CHSL 2023 PYQ — Question 66
SSC CHSL - 10 March 2023 - Shift 2 • Quantitative Aptitude • Q66