Find the Amplitude, Period and Phase Shift Of $y = \pi \sin ( \pi x + \pi )$

Q70: Use a calculator to find an

Q71: The function <span class="ql-formula" data-value="y

Q72: Find the sign of <span

Q73: Find the approximate value of

Q74: Sketch the graph of <span

Q76: Find the exact value of the

Q77: Find the value of <span

Q78: Find the sign of <span

Q79: Find the period of the function

Q80: Suppose that the terminal point determined