Find cot 0, sec 0, and cos 0, where is the angle shown in the figure. Give exact values, not decimals approximations.

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1. Answer:

   Cot 0 = undefined

   Sec0 = cos0 = 1

   Step-by-step explanation:

   According to trig identity

   Cot theta = 1/sin theta

   Sec theta = 1/cos theta

   Hence

   Cot 0 = 1/tan0

   Cot 0 = 1/0

   Since a/0 is undefined, hence cot 0 will be undefined

   Sec 0 = 1/cos 0

   Sec0 = 1/1 = 1

   Cos 0 = 1

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