Are my working out and answer correct?
J Jared123 New member Joined Apr 6, 2020 Messages 26 Apr 8, 2020 #1 Are my working out and answer correct?
Harry_the_cat Elite Member Joined Mar 16, 2016 Messages 3,693 Apr 8, 2020 #2 Take it one step further. What is cos(3pi/2) and sin(3pi/2).
J Jared123 New member Joined Apr 6, 2020 Messages 26 Apr 8, 2020 #3 Harry_the_cat said: Take it one step further. What is cos(3pi/2) and sin(3pi/2). Click to expand... then the answer would be z=0+i z=i
Harry_the_cat said: Take it one step further. What is cos(3pi/2) and sin(3pi/2). Click to expand... then the answer would be z=0+i z=i
pka Elite Member Joined Jan 29, 2005 Messages 11,971 Apr 8, 2020 #4 \(\sin\left(\dfrac{3\pi}{2}\right)=-1\)
J Jared123 New member Joined Apr 6, 2020 Messages 26 Apr 8, 2020 #5 pka said: \(\sin\left(\dfrac{3\pi}{2}\right)=-1\) Click to expand... Thank you for the correction