Note type any negative numbers without a space between the sign and the number ex 17 Do NOT include commas for spacing between sets of three digits ex 250000 include a 0 before the decimal point when necessary ex 0 2 Here is a graph of y sin 0 y sin 0 A 0 71 1 b For which angles 0 does sin 0 Your answers should be of the form 3pi 4 or pi 2