a. Graph y = cos ( x + π 2 ) − cos ( x − π 2 ) on interval [ 0 , 2 π ] . What simpler function y = f ( x ) does this graph appear to represent. b. Simplify cos ( x + π 2 ) − cos ( x − π 2 ) to confirm your response to part (a).
a. Graph y = cos ( x + π 2 ) − cos ( x − π 2 ) on interval [ 0 , 2 π ] . What simpler function y = f ( x ) does this graph appear to represent. b. Simplify cos ( x + π 2 ) − cos ( x − π 2 ) to confirm your response to part (a).
Solution Summary: The author illustrates the graph of the function y=-2mathrmsinx using a graphing calculator.
In the graph below, the red graph is y = cos x.
What is the function represented by the blue graph?
(-4x/3, 1)
Select one:
(-3,-1)
O b.
0
a. y = = cos(x+3)
y = cos(x - 2)
O c.
y = cos(x + 2)
○ d. y = cos(x)
(2x/3, 1)
Graph the function y =-2 cos(2x - p)
Walk me step by step how I would graph f(x) = x sin x on [-4π, 4π] on a site like desmos.com/calculator. Also, verbalize how that graph would vary from the graphs of f(x) = ±x..
Walk me step by step how I would graph f(x) = sin x/x on the window [−5π, 5π] on a site like desmos.com/calculator and describe what the graph would show.
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