Find the value of 'b' if the foci of an ellipse are located at (-3,0) and (3,0), the major axis has a length of 10, and the minor axis has a length of 8.
+
Write a math question for the theme "Characteristics of cosine function f(x) = cos x":What is the amplitude, period, and domain of the function f(x) = cos(x)? How many x-intercepts does it have?