Approximate f(x)=1/8(e^x-e^-x) where x=-1.9

Write the sine and cosine values of a, b, respectively, in the figure for (1) and (2) + explanation.

Aline has a slope of . which ordered pairs could be points on a parallel line? check all that apply. (-8, 8) and (2, 2) (-5, -1) and (0, 2) (-3, 6) and (6, -9) (-2, 1) and (3,-2) (0, 2) and (5,5)

Which of the following expressions cannot be simplified to x – 2?