1<math xmlns='http://www.w3c.org/mathml' version='2.0'> 2 <apply> <eq/> 3 <apply> <minus/> 4 <apply> <times/> 5 <cn> 2 </cn> 6 <apply> <sin/> 7 <ci> α </ci> 8 </apply> 9 <apply> <cos/> 10 <ci> β </ci> 11 </apply> 12 </apply> 13 </apply> 14 <apply> <minus/> 15 <apply> <sin/> 16 <apply> <plus/> 17 <ci> α </ci> 18 <ci> β </ci> 19 </apply> 20 </apply> 21 <apply> <sin/> 22 <apply> <minus/> 23 <ci> α </ci> 24 <ci> β </ci> 25 </apply> 26 </apply> 27 </apply> 28 </apply> 29</math> |