defence exam ITBP (Telecommunication) Head Constable Mock Test 2024 Quantitative Aptitude Trigonometry Trigonometric Ratios and Identities
If tan A - tan B - tan C = tan A tan B tan C, what is the value of A in terms of B and C?
1
A = B + C
2
A = 2B - 2C
3
A = B - C
4
\(A = \frac{B-C}{2}\)