The ordered pair (a, b) gives the location of point P on the coordinate plane. The value of a is 0, but b is not zero.

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

Type the correct answer in each box. use numerals instead of words. if necessary, use / for the fraction bar. consider the given table.

Sanya noticed that the temperature was falling at a steady rate of 1.4 degrees every hour from the time that she first checked her outdoor thermometer. by 6 a.m., the temperature had fallen 21 degrees. which expression can you use to find how many hours earlier she had first checked the thermometer?