Question

tg45+sin30-cos60
решить....

Answer 1

$tg(45) + sin(30) - cos(60) =1 + frac{1}{2} - frac{1}{2} = 1$



ОТВЕТ: 1

Answer 2

tg 45°+sin 30°-cos 60° = 1+1/2-1/2=1

(tg 45°=ctg 45°=1, sin 30°=cos 60°=1/2=0,5)