Question

how do you express sin(270+theta) as a function of Theta? I kinda got confused graphing it

Answer 1

sin(A+B) = sinAcosB + cosAsinB

Answer 2

I know what I meant was Graphing it

Answer 3

-cos(theta) right?
or is it
cos(theta)

Answer 4

where?

Answer 5

Unit circle?

Answer 6

I mean what do you mean by your question -cos(theta) ??

Answer 7

was the right answer -cos(theta)

Answer 8

But this is how you graph it. :)

Answer 9

No wonder I got confuse thanks!

Answer 10

i think you should draw sin(theta), 270 degree , toward the +x axis