The reason is the gotter of the right angle is 12
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.
Answer:
16
Step-by-step explanation:
Answer:
Step-by-step explanation:
c
Answer:7x + -5y = -28
(-4, _)
(1, _)
(_, 14)
Step-by-step explanation: