Saved Bookmarks
| 1. |
A: In a Delta ABC, if A,B,C are in A.P. and triangle is equilateral cos A+2 cos B+ cos C=2 R: In a Delta ABC, if A,B,C are in A.P. and cos A+ cos B+ cos C=2 then the triangle is isosceles. |
|
Answer» A is TRUE, R is true and R is CORRECT EXPLANATION of A |
|