Fundamental Mathematics/Trigonometry/Trignometry Function

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Trignometry Function[edit | edit source]

Relation of right triangle sides are defined as trigonometry functions. They are

Trignometry Function Definition Mathematical Formula Graphs
Sin Opposite side over hypotnuse Sin.svg
Cos Adjacent side over hypotnuse Cos.svg
Tang Opposite over Adjacent Tan.svg
Cotang Adjacent over opposite Cot.svg
Sec 1 over opposite Sec.svg
Cosec 1 over adjacent Csc.svg

The Sin function[edit | edit source]



Eucleur's complex circle

In solving wave equation of the form gives Sin function as a wave function

From above, when