All 3 plz it would help me alot
1 answer:
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If you consult the unit circle, you will see that:
3pi/4 in degrees is 3pi/4 * 180/pi = 3/4 * 180 = 135 degrees. And please refer to the attachment to how you can obtain the values above.
Now, lets multiply it together.
So, <span>cos(3pi/4)sin(3pi/4) = -1/2</span>
3pi/4 in degrees is 3pi/4 * 180/pi = 3/4 * 180 = 135 degrees. And please refer to the attachment to how you can obtain the values above.
Now, lets multiply it together.
So, <span>cos(3pi/4)sin(3pi/4) = -1/2</span>