Evaluate Sin (8) + Sin (-8) ?

Question

a) 0

b) 1

C) 1/2 sqroot 3

d) 1/2

e) -1

f) none of the above

Answer 1

sin(x)+sin(-x) =0 for any value  

since sin(-x) = -sinx

so sin8+sin(-8) =  sin8-sin8 = 0

so a) is the answer