## xxzeke16 find the exact values of six trigonometric functions of theta if theta is in standard position and P is on the terminal side. P(4,-3) one year ago one year ago

1. satellite73

|dw:1360724297136:dw|

2. satellite73

you get the hypotenuse either by pythagoras $$h^2=3^2+4^2\implies h=5$$ or by remembering a 3 - 4 - 5 right triangle

3. satellite73

then use the appropriate ratios for example $\sin(\theta)=-\frac{3}{5}$ etc