SOLUTION: PLEASE HELP ME SOLVE THIS TRIGONEMETRIC FUNCTIONS: cos={(theta,y/r):cos theta=y/r} This is true or false

SOLUTION: PLEASE HELP ME SOLVE THIS TRIGONEMETRIC FUNCTIONS: cos={(theta,y/r):cos theta=y/r} This is true or false

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Question 239259: PLEASE HELP ME SOLVE THIS TRIGONEMETRIC FUNCTIONS:
cos={(theta,y/r):cos theta=y/r}
This is true or false
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
cos = x/r, if you mean on a unit circle
sin = y/r
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