What is the equation of the following graph?

asked Jan 2, 2019 26.4k views

4 votes

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4 votes

y = cos x

the graph has an amplitude of 1 and a period of 2π and crosses the y-axis at 1 for x = 0 and the x-axis at 0 for x =
$(\pi )/(2)$

MartinT answered Jan 8, 2019

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