Datrys (2)3/sin^{220^{circ}}-1/cos^220^circ+64sin^220^circ

$$( 2 ) \frac { 3 } { \sin ^ { 2 } 20 ^ { \circ } } - \frac { 1 } { \cos ^ { 2 } 20 ^ { \circ } } + 64 \sin ^ { 2 } 20 ^ { \circ }$$

Enrhifo

$$\frac{5814915970713618737501269924237505759233698368644990171879009323293911055544430132267890353801}{100873025187142275331828089915402656395452085573963047905781764062500000000000000000000000000}\approx 57.645896511$$

Camau Ateb

Evaluate trigonometric functions in the problem

$${(2)} \frac{3}{0.3420201433256687 ^ {2}} - \frac{1}{0.9396926207859084 ^ {2}} + 64 \cdot 0.3420201433256687 ^ {2}$$

Cyfrifo 0.3420201433256687 i bŵer 2 a chael 0.11697777844051095979530830215969.

$$2\times \frac{3}{0.11697777844051095979530830215969}-\frac{1}{0.9396926207859084^{2}}+64\times 0.3420201433256687^{2}$$

Ehangu \frac{3}{0.11697777844051095979530830215969} drwy luosi'r rhifiadur a'r enwadur gyda 100000000000000000000000000000000.

$$2\times \frac{300000000000000000000000000000000}{11697777844051095979530830215969}-\frac{1}{0.9396926207859084^{2}}+64\times 0.3420201433256687^{2}$$

Mynegwch 2\times \frac{300000000000000000000000000000000}{11697777844051095979530830215969} fel ffracsiwn unigol.

$$\frac{2\times 300000000000000000000000000000000}{11697777844051095979530830215969}-\frac{1}{0.9396926207859084^{2}}+64\times 0.3420201433256687^{2}$$

Lluosi 2 a 300000000000000000000000000000000 i gael 600000000000000000000000000000000.

$$\frac{600000000000000000000000000000000}{11697777844051095979530830215969}-\frac{1}{0.9396926207859084^{2}}+64\times 0.3420201433256687^{2}$$

Cyfrifo 0.9396926207859084 i bŵer 2 a chael 0.88302222155948904756966801319056.

$$\frac{600000000000000000000000000000000}{11697777844051095979530830215969}-\frac{1}{0.88302222155948904756966801319056}+64\times 0.3420201433256687^{2}$$

Ehangu \frac{1}{0.88302222155948904756966801319056} drwy luosi'r rhifiadur a'r enwadur gyda 100000000000000000000000000000000.

$$\frac{600000000000000000000000000000000}{11697777844051095979530830215969}-\frac{100000000000000000000000000000000}{88302222155948904756966801319056}+64\times 0.3420201433256687^{2}$$

Lleihau'r ffracsiwn \frac{100000000000000000000000000000000}{88302222155948904756966801319056} i'r graddau lleiaf posib drwy dynnu a chanslo allan 16.

$$\frac{600000000000000000000000000000000}{11697777844051095979530830215969}-\frac{6250000000000000000000000000000}{5518888884746806547310425082441}+64\times 0.3420201433256687^{2}$$

Lluosrif lleiaf cyffredin 11697777844051095979530830215969 a 5518888884746806547310425082441 yw 64558736119771056212369977545857700093089334767336350659700329. Troswch \frac{600000000000000000000000000000000}{11697777844051095979530830215969} a \frac{6250000000000000000000000000000}{5518888884746806547310425082441} yn ffracsiynau gyda’r enwadur 64558736119771056212369977545857700093089334767336350659700329.

$$\frac{3311333330848083928386255049464600000000000000000000000000000000}{64558736119771056212369977545857700093089334767336350659700329}-\frac{73111111525319349872067688849806250000000000000000000000000000}{64558736119771056212369977545857700093089334767336350659700329}+64\times 0.3420201433256687^{2}$$

Gan fod gan \frac{3311333330848083928386255049464600000000000000000000000000000000}{64558736119771056212369977545857700093089334767336350659700329} a \frac{73111111525319349872067688849806250000000000000000000000000000}{64558736119771056212369977545857700093089334767336350659700329} yr un dynodydd, tynnwch nhw drwy dynnu eu rhifiaduron.

$$\frac{3311333330848083928386255049464600000000000000000000000000000000-73111111525319349872067688849806250000000000000000000000000000}{64558736119771056212369977545857700093089334767336350659700329}+64\times 0.3420201433256687^{2}$$

Tynnu 73111111525319349872067688849806250000000000000000000000000000 o 3311333330848083928386255049464600000000000000000000000000000000 i gael 3238222219322764578514187360614793750000000000000000000000000000.

$$\frac{3238222219322764578514187360614793750000000000000000000000000000}{64558736119771056212369977545857700093089334767336350659700329}+64\times 0.3420201433256687^{2}$$

Cyfrifo 0.3420201433256687 i bŵer 2 a chael 0.11697777844051095979530830215969.

$$\frac{3238222219322764578514187360614793750000000000000000000000000000}{64558736119771056212369977545857700093089334767336350659700329}+64\times 0.11697777844051095979530830215969$$

Lluosi 64 a 0.11697777844051095979530830215969 i gael 7.48657782019270142689973133822016.

$$\frac{3238222219322764578514187360614793750000000000000000000000000000}{64558736119771056212369977545857700093089334767336350659700329}+7.48657782019270142689973133822016$$

Troswch y rhif degol 7.48657782019270142689973133822016 i’r ffracsiwn \frac{11697777844051095979530830215969}{10000000000}. Lleihau'r ffracsiwn \frac{11697777844051095979530830215969}{10000000000} i'r graddau lleiaf posib drwy dynnu a chanslo allan 1.

$$\frac{3238222219322764578514187360614793750000000000000000000000000000}{64558736119771056212369977545857700093089334767336350659700329}+\frac{11697777844051095979530830215969}{1562500000000000000000000000000}$$

Lluosrif lleiaf cyffredin 64558736119771056212369977545857700093089334767336350659700329 a 1562500000000000000000000000000 yw 100873025187142275331828089915402656395452085573963047905781764062500000000000000000000000000. Troswch \frac{3238222219322764578514187360614793750000000000000000000000000000}{64558736119771056212369977545857700093089334767336350659700329} a \frac{11697777844051095979530830215969}{1562500000000000000000000000000} yn ffracsiynau gyda’r enwadur 100873025187142275331828089915402656395452085573963047905781764062500000000000000000000000000.

$$\frac{5059722217691819653928417750960615234375000000000000000000000000000000000000000000000000000000}{100873025187142275331828089915402656395452085573963047905781764062500000000000000000000000000}+\frac{755193753021799083572852173276890524858698368644990171879009323293911055544430132267890353801}{100873025187142275331828089915402656395452085573963047905781764062500000000000000000000000000}$$

Gan fod gan \frac{5059722217691819653928417750960615234375000000000000000000000000000000000000000000000000000000}{100873025187142275331828089915402656395452085573963047905781764062500000000000000000000000000} a \frac{755193753021799083572852173276890524858698368644990171879009323293911055544430132267890353801}{100873025187142275331828089915402656395452085573963047905781764062500000000000000000000000000} yr un dynodydd, adiwch nhw drwy adio eu rhifiaduron.

$$\frac{5059722217691819653928417750960615234375000000000000000000000000000000000000000000000000000000+755193753021799083572852173276890524858698368644990171879009323293911055544430132267890353801}{100873025187142275331828089915402656395452085573963047905781764062500000000000000000000000000}$$

Adio 5059722217691819653928417750960615234375000000000000000000000000000000000000000000000000000000 a 755193753021799083572852173276890524858698368644990171879009323293911055544430132267890353801 i gael 5814915970713618737501269924237505759233698368644990171879009323293911055544430132267890353801.

$$\frac{5814915970713618737501269924237505759233698368644990171879009323293911055544430132267890353801}{100873025187142275331828089915402656395452085573963047905781764062500000000000000000000000000}$$