I have no idea on this if someone could explain how i would do this that would be so awesome!

1) Sketch one cycle of the given function showing the values of each variable where the curve crosses the axis

V=50sin(4.2*10^2t)

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- Jun 17th 2010, 07:27 PMGAVREED2Trigonometry graphing hard problem
I have no idea on this if someone could explain how i would do this that would be so awesome!

1) Sketch one cycle of the given function showing the values of each variable where the curve crosses the axis

V=50sin(4.2*10^2t) - Jun 17th 2010, 08:20 PMundefined
I like to think in terms of where a certain point gets mapped to when you transform the graph. So for example, take f(x) = sin(x) and then consider g(x) = a*sin(b*x). Well first consider h(x) = a*sin(x). The point (pi/2, 1) gets mapped to (pi/2, a). Then consider j(x) = sin(b*x). The point (pi/2, 1) gets mapped to ( (1/b) * (pi/2), 1). Combining, for g(x) the point (pi/2, 1) gets mapped to ( (1/b) * (pi/2), a).

So in general (x,y) becomes (x/b, a*y).

This means we can sketch this graph.

http://www.mathhelpforum.com/math-he...9&d=1276834657

Here, a = 50 and b = 4.2*10^2 (assuming I interpreted your parentheses properly).