railway RRB Technician Grade 3 Mock Test 2024 Quantitative Aptitude Trigonometry Trigonometric Ratios and Identities
यदि A, B, C न्यून कोण इस प्रकार हैं कि, tan(A + B - C) = \(\frac{1}{\sqrt{3}}\), cos(B + C - A) = \(\frac{1}{2}\), और sin(C + A - B) = \(\frac{1}{\sqrt{2}}\) है, तब A + B + C का मान बराबर होगा:
1
90°
2
110°
3
170°
4
135°