How to create a sine wave with a given angle between the side of the wave?


Question

I want to create this shape using Illustrator CC and maybe it could seem easy but actually it has to be perfect, the shape are basically two triangles and each one of them with 52 degrees of aperture.

Sketch, it's basically two triangles each one with 52 degrees

I've been trying to using the rotate tool but it's still imperfect and even if I leave it like that the rounded part looks awful (2). I tried with the Pen Tool and try to reshape the form with the sketch but still don't get the results that I want and with the rounded form I tried with the Shape Builder Tool (1).

Examples

Could someone please help me? Should I create the form on paper (perfect, with rulers, pencils and stuff) and then digitalise it? And if that's how it suppose to work, the angles will be the same?

1
4
7/25/2016 1:59:00 PM

The shape you are trying to duplicate is difficult to draw.
It is a mathematical function called a sine wave.

enter image description here

I use a different version of Illustrator but the technique to draw one is the same or very similar. Things in Adobe programs migrate from menu to menu so I'll have to tell you what to do by name.

Draw a line.
Select it.
Apply "Zig-Zag" effect.
Options:
Try using the size you prefer in either % or in absolute measurement.
Ridges per segment is 1.5
Points should be smooth.

That should get you pretty close, pretty quickly.

3
7/16/2016 3:17:00 AM

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