Teaching BPSC बिहार माध्यमिक TGT (9 to 10) शिक्षक भर्ती 4.0 Mock Test Quantitative Aptitude Trigonometry
If cosec A + cot A = 3, 0 ≤ A ≤ 90°, then find the value of cos A.
1
\(\frac{3}{4}\)
2
\(\frac{2}{5}\)
3
\(\frac{3}{5}\)
4
More than one of the above
5
None of the above