engineering recuitment ICAR (IARI) Assistant (Pre + Mains) 2022 Mock Test Quantitative Aptitude Trigonometry Trigonometric Ratios and Identities
Find the value of the following: (tan20°)2/(cosec70°)2 + (cot20°)2/(sec70°)2 + 2 × tan15° × tan45° × tan75°
1
1
2
2
3
3
4
0