Teaching BPSC बिहार मध्य विद्यालय (6 to 8) शिक्षक भर्ती 4.0 Mock Test Quantitative Aptitude Trigonometry
The value of cot 13° cot 27° cot 60° cot 63° cot 77° is:
1
\(\frac{1}{\sqrt3}\)
2
0
3
\({\sqrt3}\)
4
More than one of the above
5
None of the above