In degrees: 3π/4 radians = 135°
Angle of x=135° is in the 2nd Quadrant and has negative cos x values and positive sin x values.
cos 135° = cos ( 90° + 45°)= - sin 45° =

sin 135° = sin ( 90° + 45° ) = cos 45° =

. You can also see the graph in the attachment.
Lionel had 250 pages copied
This is because 20/.08=250.
Answer:
The Jacobys drove 19 1/2 hours from Monday to Thursday.
Answer
0.22580645161
Step-by-step explanation:
you just have to do 4 3/7 in a calculator
Answer:B
Step-by-step explanation: Alternate exterior angles theorem