Optimize Math.sin and Math.cos by avoiding runtime calls.

test/mjsunit/sin-cos.js

+// Copyright 2009 the V8 project authors. All rights reserved.
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+
+// Test Math.sin and Math.cos.
+
+var input_sin = [0, Math.PI, Math.PI / 6, Math.PI / 2, Math.pow(2, 70)];
+var input_cos = [0, Math.PI, Math.PI / 6, Math.PI / 2, Math.pow(2, 70)];
+
+var output_sin = input_sin.map(Math.sin);
+var output_cos = input_sin.map(Math.cos);
+
+var expected_sin = [0,
+                    1.2246063538223773e-16,
+                    0.49999999999999994,
+                    1,
+                    -0.9983193022079332];
+
+var expected_cos = [1,
+                    -1,
+                    0.8660254037844387,
+                    6.123031769111886e-17,
+                    0.05795317798935058];
+
+assertArrayEquals(expected_sin, output_sin, "sine");
+assertArrayEquals(expected_cos, output_cos, "cosine");