InterviewSolution
Saved Bookmarks
| 1. |
Assetion (A) : If x= sin(alpha- beta) sin (gamma- delta), y= sin(beta- gamma) sin (alpha- delta) z=sin (gamma- alpha). Sin (beta- delta) then x+y+z=0 Reason (R) : 2 sin A sin B=cos (A-B)+cos (A+B) |
|
Answer» A is TRUE, R is true and R is correct explanation of A |
|