If sin⁡ θ=− 8/17 and 270°<θ<360°, what is cos⁡ θ?

State whether weight is a function of height for the six students and explain. a. yes, height is a function of weight because two students weigh 165 pounds but have different heights. b. no, height is not a function of weight because two students weigh 165 pounds but have different heights. c. yes, weight is a function of height because for each value of height there is one corresponding value of weight. d. no, weight is not a function of height because there is not enough data to determine a function.

True or false look at the picture pls : /

Can someone me with these two circle theorem questions asap?