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MIT 6.002 Circuits and Electronics, Spring 2007 7 Online
OpenStudy (anonymous):

How many possible values for y are there where y = cos^-1 (0)? A. 1 B. 0 C. 2 D. Infinite

OpenStudy (anonymous):

2..?

OpenStudy (anonymous):

Can you tell me how you got your answer?

OpenStudy (kenljw):

y = 1/cos(0) = 1 y = 1/cos(n 2 PI) n = 0,1,2 ... This assume same form y = 1 then only one solution

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