1、余弦值对应表:1 0.9998482 0.9993913 0.998634 0.9975645 0.9961956 0.9945227 0.9925468 0.9902689 0.98768810 0.98480811 0.98162712 0.97814813 0.9743714 0.97029615 0.96592616 0.96126217 0.95630518 0.95105719 0.94551920 0.93969321 0.9335822 0.92718423 0.92050524 0.91354525 0.90630826 0.89879427 0.89100728 0.882
2、94829 0.87462Cos 余弦函数30 0.86602531 0.85716732 0.84804833 0.83867134 0.82903835 0.81915236 0.80901737 0.79863638 0.78801139 0.77714640 0.76604441 0.7547142 0.74314543 0.73135444 0.7193445 0.70710746 0.69465847 0.68199848 0.66913149 0.65605950 0.64278851 0.6293252 0.61566153 0.60181554 0.58778555 0.57
3、357656 0.55919357 0.54463958 0.52991959 0.51503860 0.561 0.4848162 0.46947263 0.4539964 0.43837165 0.42261866 0.40673767 0.39073168 0.37460769 0.35836870 0.3420271 0.32556872 0.30901773 0.29237274 0.27563775 0.25881976 0.24192277 0.22495178 0.20791279 0.19080980 0.17364881 0.15643482 0.13917383 0.12186984 0.10452885 0.087155786 0.069756587 0.05233688 0.034899589 0.017452490 0.