Step-by-step explanation:
the answer is
About 50 inches
Cos(2 arctan(4/3)) = cos(2 arccos(3/5)) = cos^2(arccos(3/5)) - sin^2(arccos(3/5)) = cos^2(arccos(3/5)) - sin^2(arcsin(4/5)) = (3/5)^2 - (4/5)^2 = 9/25 - 16/25 = -7/25.
Answer:
first choice: y≥1/3 x+3 and 3x-y>2
Step-by-step explanation:
