Question

I need the values of sin 30 and cos 30 and sin30-cos30

Answer 1

sin30=1/2
cos30=√3/2
(1/2)-(√3/2)
(1-√3)/2
(1-1.732)/2
-0.732/2
-0.366

Answer 2

sin30=-0.98803162409

cos30=0.15425144988

sin30-cos30=-1.14228307398