angle of an X: derive 2 eqns to draw 'X' given angle of bars

[mathGEEK08]

okay. thank you for tryin to help me. the task is...

Derive two equations that will draw an X when you know the measure of the angle the X makes. Assume that the angle measure the user enters is the angle between the upper right and lower right bars of the X. (If this is the x....X <--that angle.)

I'm guessing that you have to use sines, but I don't know what it is! please help!

 

[stapel]

I'm guessing that you have to use sines, but I don't know what it is!

I'm not sure what "it" you're referring to here...? Are you familiar at all with slopes and/or trigonometric functions...? :shock:

Derive two equations that will draw an X when you know the measure of the angle the X makes. Assume that the angle measure the user enters is the angle between the upper right and lower right bars of the X. (If this is the x....X <--that angle.)

What are your thoughts? What have you tried? How far have you gotten?

Naturally, you've drawn an "X", right? How have you oriented the X on the x,y-plane? Is the crux on the origin, or just on the x-axis? Also, are you supposed to be limiting the size of the X, or can the legs extend forever (so the functions doing the drawing are supposed to have, or can have no, limited domains)?

Please be complete. Thank you!

Eliz.