engineering recuitment DRDO CEPTAM STA B Tier I (Sr. Technical Assistant) Mock Test 2022 Quantitative Aptitude Trigonometry Trigonometric Ratios and Identities
cot 12° cot 38° cot 52° cot 60° cot 78° యొక్క విలువ
1
0
2
1
3
\(\dfrac{1}{2}\)
4
\(\dfrac{1}{\sqrt{3}}\)