Umm...

[TheDrBraniac]

What is this "Lepton" thingies beside my name? Just posting a question and;

 

What does "cos", "sin" and "tan" mean? I kinda am a newbie so...

[swansont]

What is this "Lepton" thingies beside my name? Just posting a question and;

 

What does "cos", "sin" and "tan" mean? I kinda am a newbie so...

 

Lepton is your current user title

 

Sin, cos and tan are shorthand for geometric functions: sine, cosine and tangent.

 

http://www.mathsisfun.com/sine-cosine-tangent.html

[Cation]

SOH CAH TOA

 

Sine = Oppostie side divided by the hypotenuse

Cosine = Adjacent side divided by the hypotenuse

Tangent = Opposite side devided by adjacent

 

*Giving that the triangle is a 90 degrees one.