Which of these statements are true about f(x) = cos (0)? Select ALL that apply
The graph off has a maximum when 0 = 5 radians.
• The graph of f meets the 0-axis at 0, ‡n, +2m, ‡3m,
• The value of f always stays the same when it radians is added to the input.
• The value of f always stays the same when 2m radians is subtracted from the input.