3. Complete the chart in your notes. Save for future reference. Quadrant II cos 0 is m sin is Quadrant I cos @ is + sin is + Quadrant III cos is sin is Quadrant IV cos is sin is X a. If cosine is positive and sine is negative, in which quadrant is the terminal side of the angle? b. If cosine is negative and sine is negative, in which quadrant is the terminal side of the angle? c. Explain how the mnemonic device "All students take Calculus" can help you with the chart. Reminder: tan