Question

If sin 38 = 0.6157, which of the following will also give this result. a) sin 218 b) sin 322 c) sin 578 d) sin 682 e) sin 142

Answer 1

sin ( 180 - theta) = sin theta
so...
sin ( 180 - 38 ) = sin 38
sin (142) = sin 38

hope this will help ya!!

Answer 2

thanks!

Answer 3

got it :-) ?

Answer 4

u r welcome!