Question

sin 30⁰+cos 45⁰=?
sin 180⁰+cos 90⁰=?
tg 45⁰+ sin 60⁰=?
ctg 60⁰ + cos 60⁰=?

radical din 2=1,41
radical din 3=1,73​

Answer 1

1/2+rad2/2=1+rad(2)/2=2,41/2

0+0=0

1+rad(3)/2=2+rad(3)/2=3,73/2

rad(3)+1/2=2rad(3)+1/2=4,43