Question

sin(pi-x) is equal to?
is the answer -sin(x)

Answer 1

The picture above shows simply one case of where pi-x would land (here it would land in quadrant 3). and we see that the sin(pi-x) (the y value) is precisely -sin(x) (the sine values of one is the negative sine value of the other...draw other cases to convince yourself if you would like :-)

Answer 2

so the answer to your question is yes hehe

Answer 3

thanks for explaining it to me!!! :)

Answer 4

I'm happy to help. You are welcome :-)