Question
If 2cos A-1=0 where 0<or = A<2pi then what is A equal to?
Answers
Reiny
2cosA = 1
cosA = 1/2
A = π/3 (60 degrees) or A = 5π/3 (300 degrees)
cosA = 1/2
A = π/3 (60 degrees) or A = 5π/3 (300 degrees)
Aayush
the answer is 60 degrees