Show that sin80=sin8θcosθ.cos2θ.cos4θ​

hi i come from a mixed indonesian and canada family

hi i come from a mixed indonesian and canada familyNice to meet you

hi i come from a mixed indonesian and canada familyNice to meet youmy father is from canada

hi i come from a mixed indonesian and canada familyNice to meet youmy father is from canadamy mother is from indonesia

hi i come from a mixed indonesian and canada familyNice to meet youmy father is from canadamy mother is from indonesiafood in Indonesia is very good

hi i come from a mixed indonesian and canada familyNice to meet youmy father is from canadamy mother is from indonesiafood in Indonesia is very goodthe scenery there is also beautiful

hi i come from a mixed indonesian and canada familyNice to meet youmy father is from canadamy mother is from indonesiafood in Indonesia is very goodthe scenery there is also beautifulchicken noodle is good

hi i come from a mixed indonesian and canada familyNice to meet youmy father is from canadamy mother is from indonesiafood in Indonesia is very goodthe scenery there is also beautifulchicken noodle is goodjust look at the internet chicken noodles

hi i come from a mixed indonesian and canada familyNice to meet youmy father is from canadamy mother is from indonesiafood in Indonesia is very goodthe scenery there is also beautifulchicken noodle is goodjust look at the internet chicken noodlessurely you want to try it too

hi i come from a mixed indonesian and canada familyNice to meet youmy father is from canadamy mother is from indonesiafood in Indonesia is very goodthe scenery there is also beautifulchicken noodle is goodjust look at the internet chicken noodlessurely you want to try it tooI've tried it while living in Indonesia

hi i come from a mixed indonesian and canada familyNice to meet youmy father is from canadamy mother is from indonesiafood in Indonesia is very goodthe scenery there is also beautifulchicken noodle is goodjust look at the internet chicken noodlessurely you want to try it tooI've tried it while living in Indonesiatempeh in Indonesia is also delicious

hi i come from a mixed indonesian and canada familyNice to meet youmy father is from canadamy mother is from indonesiafood in Indonesia is very goodthe scenery there is also beautifulchicken noodle is goodjust look at the internet chicken noodlessurely you want to try it tooI've tried it while living in Indonesiatempeh in Indonesia is also deliciousyou will definitely want to try it too

hi i come from a mixed indonesian and canada familyNice to meet youmy father is from canadamy mother is from indonesiafood in Indonesia is very goodthe scenery there is also beautifulchicken noodle is goodjust look at the internet chicken noodlessurely you want to try it tooI've tried it while living in Indonesiatempeh in Indonesia is also deliciousyou will definitely want to try it tooI'm addicted to eating noodles chicken haha

hi i come from a mixed indonesian and canada familyNice to meet youmy father is from canadamy mother is from indonesiafood in Indonesia is very goodthe scenery there is also beautifulchicken noodle is goodjust look at the internet chicken noodlessurely you want to try it tooI've tried it while living in Indonesiatempeh in Indonesia is also deliciousyou will definitely want to try it tooI'm addicted to eating noodles chicken hahaI come from Canada - Indonesia

hi i come from a mixed indonesian and canada familyNice to meet youmy father is from canadamy mother is from indonesiafood in Indonesia is very goodthe scenery there is also beautifulchicken noodle is goodjust look at the internet chicken noodlessurely you want to try it tooI've tried it while living in Indonesiatempeh in Indonesia is also deliciousyou will definitely want to try it tooI'm addicted to eating noodles chicken hahaI come from Canada - Indonesiaare you annoyed with me??

answer: 1 + 1 = 11

step-by-step explanation: