Asked by Tori

If 2cos A-1=0 where 0<or = A<2pi then what is A equal to?

15 years ago

Answered by Reiny

2cosA = 1
cosA = 1/2
A = π/3 (60 degrees) or A = 5π/3 (300 degrees)

15 years ago

Answered by Aayush

the answer is 60 degrees

15 years ago

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