If θ is an angle in standard position and if the given point P is located on the terminal side of θ and on the unit circle, find sinθ and cosθ. LABEL EACH ANSWER WITH THE RELATED QUESTION LETTER.

a) P(0,−1)
b) P(−23,5√3)
c) P(16,−35√6)
d) P is on the terminal side of θ = 120°

e) P is on the terminal side of θ = 5π4

Any is very appreciated! (picture is provided below)not sure how to do this at all won't lie

Describe the 2 algebraic methods you can use to find the zeros of the function f(t)=-16t^2+400.

Apsychology student wishes to investigate differences in political opinions between business majors and political science majors at her college. she randomly selects 100 students from the 260 business majors and 100 students from the 180 political science majors. does this sampling plan result in a simple random sample? why or why not? no, because each group of 200 students in the sample does not have the same chance of being selected. yes, because each group of 200 students in the sample has the same chance of being selected. no, because each individual student does not have an equal chance of being selected. yes, because each individual student has the same chance of being selected.