Data update

Task/Trigonometric-functions/DuckDB/trigonometric-functions.duckdb

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+# degrees to radians
+create or replace function radians(degrees) as degrees * pi() / 180.0;
+
+# radians to degrees
+create or replace function degrees(radians) as  (radians * 180 / pi());
+
+.mode lines
+select
+    sin(-pi() / 6),
+    cos(3 * pi() / 4),
+    tan(pi() / 3),
+    asin(-1 / 2),
+    acos(-sqrt(2)/2),
+    atan(sqrt(3)),
+
+    -- Using degrees:
+    sin(-radians(30)),
+    cos(radians(135)),
+    tan(radians(60)),
+    asin(-1 / 2).degrees(),
+    acos(-sqrt(2)/2).degrees(),
+    atan(sqrt(3)).degrees() ;