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Ingy döt Net 2013-04-11 01:07:29 -07:00
parent b83f433714
commit 68f8f3e56b
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Task/Trigonometric-functions/D/trigonometric-functions.d Normal file
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import std.stdio, std.math;
void main() {
enum real degrees = 45.0;
enum real t0 = degrees * PI / 180.0;
writeln("Reference: 0.7071067811865475244008");
writefln("Sine: %.20f %.20f", sin(PI_4), sin(t0));
writefln("Cosine: %.20f %.20f", cos(PI_4), cos(t0));
writefln("Tangent: %.20f %.20f", tan(PI_4), tan(t0));
writeln();
writeln("Reference: 0.7853981633974483096156");
immutable real t1 = asin(sin(PI_4));
writefln("Arcsine: %.20f %.20f", t1, t1 * 180.0 / PI);
immutable real t2 = acos(cos(PI_4));
writefln("Arccosine: %.20f %.20f", t2, t2 * 180.0 / PI);
immutable real t3 = atan(tan(PI_4));
writefln("Arctangent: %.20f %.20f", t3, t3 * 180.0 / PI);
}