sin167cos107-cos167sin107
sin 167 = 0.22495cos 107 = -0.29237cos 167 = -0.97437sin 107 = 0.95630(sin 167)(cos 107) - (cos 167)(sin 107)(0.22495)(-0.29237) - ( -0.97437)(0.95630)= 0.86602hope this helps :)