Re:사인&코사인 법칙

삼각비 표입니다. x 　　sinx 　　　cosx　　 tanx 0 0.00000000 1.00000000 ** 1 0.01745240 0.99984769 0.01745506 2 0.03489949 0.99939082 0.03492076 3 0.05233595 0.99862953 0.05240777 4 0.06975647 0.99756405 0.06992681 5 0.08715574 0.99619469 0.08748866 6 0.10452846 0.99452189 0.10510423 7 0.12186934 0.99254615 0.12278456 8 0.13917310 0.99026806 0.14054083 9 0.15643446 0.98768834 0.15838444 10 0.17364817 0.98480775 0.17632698 11 0.19080899 0.98162718 0.19438030 12 0.20791169 0.97814760 0.21255656 13 0.22495105 0.97437006 0.23086819 14 0.24192189 0.97029572 0.24932800 15 0.25881904 0.96592582 0.26794919 16 0.27563735 0.96126169 0.28674538 17 0.29237170 0.95630475 0.30573068 18 0.30901699 0.95105651 0.32491969 19 0.32556815 0.94551857 0.34432761 20 0.34202014 0.93969262 0.36397023 21 0.35836794 0.93358042 0.38386403 22 0.37460659 0.92718385 0.40402622 23 0.39073112 0.92050485 0.42447481 24 0.40673664 0.91354545 0.44522868 25 0.42261826 0.90630778 0.46630765 26 0.43837114 0.89879404 0.48773258 27 0.45399049 0.89100652 0.50952544 28 0.46947156 0.88294759 0.53170943 29 0.48480962 0.87461970 0.55430905 30 0.49999999 0.86602540 0.57735026 31 0.51503807 0.85716730 0.60086061 32 0.52991926 0.84804809 0.62486935 33 0.54463903 0.83867056 0.64940759 34 0.55919290 0.82903757 0.67450851 35 0.57357643 0.81915204 0.70020753 36 0.58778525 0.80901699 0.72654252 37 0.60181502 0.79863551 0.75355405 38 0.61566147 0.78801075 0.78128562 39 0.62932039 0.77714596 0.80978403 40 0.64278760 0.76604444 0.83909963 41 0.65605902 0.75470958 0.86928673 42 0.66913060 0.74314482 0.90040404 43 0.68199836 0.73135370 0.93251508 44 0.69465837 0.71933980 0.96568877 45 0.70710678 0.70710678 0.99999999 46 0.71933980 0.69465837 1.03553031 47 0.73135370 0.68199836 1.07236870 48 0.74314482 0.66913060 1.11061251 49 0.75470958 0.65605902 1.15036840 50 0.76604444 0.64278760 1.19175359 51 0.77714596 0.62932039 1.23489715 52 0.78801075 0.61566147 1.27994163 53 0.79863551 0.60181502 1.32704482 54 0.80901699 0.58778525 1.37638192 55 0.81915204 0.57357643 1.42814800 56 0.82903757 0.55919290 1.48256096 57 0.83867056 0.54463903 1.53986496 58 0.84804809 0.52991926 1.60033452 59 0.85716730 0.51503807 1.66427948 60 0.86602540 0.50000000 1.73205080 61 0.87461970 0.48480962 1.80404775 62 0.88294759 0.46947156 1.88072646 63 0.89100652 0.45399049 1.96261050 64 0.89879404 0.43837114 2.05030384 65 0.90630778 0.42261826 2.14450692 66 0.91354545 0.40673664 2.24603677 67 0.92050485 0.39073112 2.35585236 68 0.92718385 0.37460659 2.47508685 69 0.93358042 0.35836794 2.60508906 70 0.93969262 0.34202014 2.74747741 71 0.94551857 0.32556815 2.90421087 72 0.95105651 0.30901699 3.07768353 73 0.95630475 0.29237170 3.27085261 74 0.96126169 0.27563735 3.48741444 75 0.96592582 0.25881904 3.73205080 76 0.97029572 0.24192189 4.01078093 77 0.97437006 0.22495105 4.33147587 78 0.97814760 0.20791169 4.70463010 79 0.98162718 0.19080899 5.14455401 80 0.98480775 0.17364817 5.67128181 81 0.98768834 0.15643446 6.31375151 82 0.99026806 0.13917310 7.11536972 83 0.99254615 0.12186934 8.14434642 84 0.99452189 0.10452846 9.51436445 85 0.99619469 0.08715574 11.43005229 86 0.99756405 0.06975647 14.30066624 87 0.99862953 0.05233595 19.08113667 88 0.99939082 0.03489949 28.63625324 89 0.99984769 0.01745240 57.28996148 90 1.00000000 0.00000000 ** sin30 = 1/2 sin45 = √2/2 sin60 = √3/2 cos30 = √3/2 cos45 = √2/2 cos60 = 1/2 tan30 = √3/3 tan45 = 1 tan60 = √3