Variable

Coefficients of Function

Perimeter

0.471

15˚

−0.374

30˚

1.007

45˚

−1.486

60˚

1.461

75˚

−1.771

90˚

−0.585

105˚

3.127

120˚

−1.527

135˚

1.005

150˚

−0.893

165˚

−0.113

180˚

−0.004

195˚

0.018

210˚

0.597

225˚

−0.241

240˚

2.095

255˚

−1.509

270˚

−0.474

285˚

1.346

300˚

−2.487

315˚

1.958

330˚

−0.897

345˚

0.796

360˚

−0.151