Given the point #P(-1/2, sqrt3/2)#, how do you find #sintheta# and #costheta#?
There is a pattern...
Assuming you're talking about the unit circle:
Hope this helps! The pattern is also similar for secant and cosecant if you need help with that too! Feel free to comment back if you need more help.
Since t is in Quadrant 3, cos t is negative -->