engineering recuitment DRDO CEPTAM STA B Tier I (Sr. Technical Assistant) Mock Test 2022 Quantitative Aptitude Trigonometry Trigonometric Ratios and Identities
If tan 4A = cot (A - 10°), where A and (A - 10°) are acute angles, what is the value of A
1
32°
2
20°
3
45°
4
54°