Which of the following best explains the value of sinſ on the unit circle, below? y
(0, 1)
(-1,0) =
0
37
2
(0, -1)
opposite
opposite
sin - hypotenuse-
opposite

Which graph represents the following piecewise defined function?

Proceed as in example 3 in section 6.1 to rewrite the given expression using a single power series whose general term involves xk. ∞ n(n − 1)cnxn − 2 n = 2 − 4 ∞ ncnxn n = 1 + ∞ cnxn n = 0

Find the exact value of each of the following. in each case, show your work and explain the steps you take to find the value. (a) sin 17π/6 (b) tan 13π/4 (c) sec 11π/3