state gov RSMSSB Junior Assistant & Lipik Grade (LDC) Mock Test 2024 Mathematics Trigonometry Trigonometric Functions
If A, B, C are the angles of a triangle, then the value of \(\frac{{\tan \left( {B + C} \right) + \tan \left( {C + A} \right) + \tan \left( {A + B} \right)}}{{\tan \left( {\pi - A} \right) + \tan \left( {\pi - B} \right) + \tan \left( {\pi - C} \right)}}\) is equal to -
1
0
2
1
3
π/2
4
tan (A+B+C)