In `DeltaABC`, if `(2cosA)/(a)+(cosB)/(b)+(2cosC)/(2)=a/(bc)+b/(ca)`, then `angleA=?`A. `30^(@)`B. `45^(@)`C. `60^(@)`D. `90^(@)`

In `DeltaABC`, if `(2cosA)/(a)+(cosB)/(b)+(2cosC)/(2)=a/(bc)+b/(ca)`,

1.	In `DeltaABC`, if `(2cosA)/(a)+(cosB)/(b)+(2cosC)/(2)=a/(bc)+b/(ca)`, then `angleA=?`A. `30^(@)`B. `45^(@)`C. `60^(@)`D. `90^(@)`
Answer» Correct Answer - D