Teaching BPSC बिहार माध्यमिक TGT (9 to 10) शिक्षक भर्ती 4.0 Mock Test Quantitative Aptitude Trigonometry Trigonometric Ratios and Identities
7 sin2 A + 3 cos2 A = 4, then find cot A:
1
√3
2
√2
3
\(\frac{1}{\sqrt 2}\)
4
More than one of the above
5
None of the above