Driehoeksmeting: Verskil tussen weergawes
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Lyn 36:
Tan: “tan'''ta'''” → tan = teenoorstaande oor aangrensend
=== Excel ===
In Excel word sinus, cosinus en tangens soos volg gebruik:
:: SIN(30*PI()/180) = SIN(RADIANS(30)) = 0.5
:: ASIN(0.5)*180/PI() = DEGREES(ASIN(0.5)) = 30
== Standaard Identiteite ==
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