I isu23pink New member Joined Feb 24, 2009 Messages 34 Jul 18, 2010 #1 the question is: "Give all the basic trigonometric fuctions that satisfy the condition: f (x + ?) = f(x)." i know what the 6 trig functions are, but how would i plug them into this equation? what exactly am i suppose to plug in?
the question is: "Give all the basic trigonometric fuctions that satisfy the condition: f (x + ?) = f(x)." i know what the 6 trig functions are, but how would i plug them into this equation? what exactly am i suppose to plug in?
tkhunny Moderator Staff member Joined Apr 12, 2005 Messages 11,325 Jul 18, 2010 #2 Why would you "plug in" anything? Just answer the question. Look up the definition of "periodic". Rephrase the question: Which of the six basic functions have a period of \(\displaystyle \pi\)?
Why would you "plug in" anything? Just answer the question. Look up the definition of "periodic". Rephrase the question: Which of the six basic functions have a period of \(\displaystyle \pi\)?