Помогииитеее! 1. (cos5°+cos95°)(sin85°+sin175°) 2.(cos56°/cos28°+sin28°)+sin28°

Question

Помогииитеее! 1. (cos5°+cos95°)(sin85°+sin175°) 2.(cos56°/cos28°+sin28°)+sin28°

Answer 1

1) =0,553071

2) =2,50105