Answer:
cos 225° = 
sin 225° =
tan 225° = 1
Step-by-step explanation:
I cannot sketch a diagram, but a 225° angle is a 3rd quadrant angle and the reference angle is 45° (225 - 180 = 45)
cos and sin are negative in the 3rd quadrant and the tan is positive
cos 225° = - cos 45° =
sin 225° = -sin 45° =
tan 225° = tan 45° = 1
The answer is D because 42 / 6 = 7 and the power ( ^X) can cancel out each other
Answer:
x=5, y=-4
Step-by-step explanation:
:)
Step-by-step explanation:
plug in y
6=1/3x+11/15
multiply both sides by 15 to get rid of the fraction
90 = 5x +11
move terms to make them like terms
-5x =11- 90
-5x = -79
divide both sides by -5
evaluate for x
Since the line is vertical, its slope is "undefined." This slope has no numerical value.
The point-slope form is y = mx + b. In this particular problem, the slope, m, is undefined, and there is no y-intercept (the line never crosses the y-axis).
