SOLUTION: For which value of x is tan(x+ 20º ) undefined? a )160º b)70º c)-20º d) 340º Answer: b (Just checking to make sure that I did my HW correct) Thanks

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Question 388937: For which value of x is tan(x+ 20º ) undefined?
a )160º b)70º c)-20º d) 340º
Answer: b (Just checking to make sure that I did my HW correct)
Thanks

Answer by ewatrrr(24785)   (Show Source): You can put this solution on YOUR website!

Hi,
Yes! on tan 90° = sin 90° / cos 90° being undefined! (cos 90° = 0)

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