sin(21 deg) = 0.3584
It is:- sin(40) = 0.6427876097
It is: sin(62) = 0.8829475929.
The exact value is 0.40673664.
-0.5
sin(35 deg) = 0.5736
sin(87 degrees) = 0.999
Sin30 degrees is 0.50000
It is:- sin(40) = 0.6427876097
SQRT(3)/4 - 1/4
answer is 2.34 degrees answer is 2.34 degrees
In degrees they are the same value.