Teaching BPSC बिहार माध्यमिक TGT (9 to 10) शिक्षक भर्ती 4.0 Mock Test Quantitative Aptitude Trigonometry Trigonometric Ratios and Identities
If tan 2A = cot (A – 30°), and 2A is an acute angle, then find the value of A.
1
10°
2
20°
3
30°
4
More than one of the above
5
None of the above