AP EAMCET201824 Apr 2018Evening ShiftMathematicsVector AlgebraActual
If the adjacent sides of a rectangle are a =5 m -3 n , b =- m -2 n and the adjacent sides of another rectangle are c =-4 m - n , d =- m + n , then the angle between the vectors x = a + c + d 3 and y = c + d 5 is
Options
- A2
- BCos ⁻¹ ( 19 5 43 )
- CCos ⁻¹ ( 19 5 43 )+
- DSin ⁻¹ 19 4 43
Correct answer
B. Cos ⁻¹ ( 19 5 43 )
Step-by-step solution
No solution. Refer to answer key.