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1. ### Point P is the intersection of the terminal arm of angle in standard position and th

My teacher used to say that the easiest way to remember sin theta is Y sin
2. ### Point P is the intersection of the terminal arm of angle in standard position and th

The definition of sin theta in any case is opposite/hypotenuse and cos theta is adjecent/hypotenuse. The unit circle has a radius of 1 so any right triangle with vertices at the origin, a point P on the circle, and the X or Y axis ( is a purely your choice, most choose the X axis ) will have a...
3. ### Point P is the intersection of the terminal arm of angle in standard position and th

Let my try posting that picture again [img=http://img24.imageshack.us/img24/1975/tempw.jpg]
4. ### Point P is the intersection of the terminal arm of angle in standard position and th

This is a lovely example of the special properties of the unit circle. The first thing you should do though with a problem like this is draw a picture. http://img24.imageshack.us/my.php?image=tempw.jpg