Multiple Choice
Find the x-coordinates of all points in the interval [-2 , 2 ] at which the graph of
has a horizontal tangent line.
A) ![Find the x-coordinates of all points in the interval [-2 \pi , 2 \pi ] at which the graph of has a horizontal tangent line. A) B) C) D) E)](https://d2lvgg3v3hfg70.cloudfront.net/TB6988/11ead0bc_8d68_1976_99a0_617abecd13c7_TB6988_11.jpg)
B) ![Find the x-coordinates of all points in the interval [-2 \pi , 2 \pi ] at which the graph of has a horizontal tangent line. A) B) C) D) E)](https://d2lvgg3v3hfg70.cloudfront.net/TB6988/11ead0bc_8d68_4087_99a0_1f76ee2f85bb_TB6988_11.jpg)
C) ![Find the x-coordinates of all points in the interval [-2 \pi , 2 \pi ] at which the graph of has a horizontal tangent line. A) B) C) D) E)](https://d2lvgg3v3hfg70.cloudfront.net/TB6988/11ead0bc_8d68_4088_99a0_1f1e90d0d97c_TB6988_11.jpg)
D) ![Find the x-coordinates of all points in the interval [-2 \pi , 2 \pi ] at which the graph of has a horizontal tangent line. A) B) C) D) E)](https://d2lvgg3v3hfg70.cloudfront.net/TB6988/11ead0bc_8d68_6799_99a0_0721d3682104_TB6988_11.jpg)
E)
Correct Answer:

Verified
Correct Answer:
Verified
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