Asked by Jennifer

How do you find the H-Shift.
My problem is y=5 sin(3x-pi/2).
Answered by bobpursley
Do you mean horizontal shift?

Look at this:

(3x-PI/2)= 3(x-PI/6)

see the PI/6 term?
Answered by Damon
Do you mean where does the function cross the x axis first after x = 0?
If so it is when
3x-pi/2 = 0
or
x = pi/6
Answered by Jennifer
yes I meant horizontal shift. so PI/6 is the answer?
Answered by Damon
Jennifer, graph it starting at x = 0 and go to x = pi/3
see where it crosses the axis
Answered by Jennifer
then what's the ending point?
Answered by Damon
It is a sine function. It goes on and on forever. The shift is just how much it is offset from the origin by being sin(3x-pi/2) instead of being sin(3x)
Answered by Jennifer
never mind. I get it.
Answered by Damon
atta go :)
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