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Which graph represents the reflection in the x-axis of the curve y = cos x
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Which graph represents the reflection in the x-axis of the curve y = cos x

User Pzaenger
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1 Answer

6 votes

Answer: The first gragh

Explanation:

The second and fourth are sine curves they don't count. Let's ignore them

The third one is y = - cos(x)

That leaves the first one.

Also remember that cos0 = 1

Please find the attached file for the graph.

Which graph represents the reflection in the x-axis of the curve y = cos x-example-1
User Simone Porcu
by
3.5k points
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