Fungsi trigonometri: Perbedaan antara revisi

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[[Berkas:Academ Base of trigonometry.svg|thumb|300px|upright=2|Basis of trigonometry: if two [[right triangle]]s have equal [[Types of angles|acute angles]], they are [[Similarity (geometry)|similar]], so their side lengths [[Proportionality (mathematics)|are proportional]]. Proportionality [[constant (mathematics)|constant]]s are written within the image: {{math|sin ''θ''}}, {{math|cos ''θ''}}, {{math|tan ''θ''}}, where {{mvar|θ}} is the common measure of five acute angles.]]

'''Fungsi trigonometrik''' adalah fungsi dari sebuah sudut yang digunakan untuk menghubungkan antara sudut-sudut dalam suatu segitiga dengan sisi-sisi segitiga tersebut.