Answer:
sin2x +
x + c
Step-by-step explanation:
using the trigonometric identity
• cos² x =
(cos2x + 1) and
∫cos ax =
sin ax
hence
∫(1 -
(cos2x + 1)dx
= ∫(1 -
cos2x -
)dx
= ∫(
-
cos2x)dx
=
x -
sin2x + c
where c is the constant of integration
15 students per teacher because 825/55=15
Answer:
98 miles per hour
Step-by-step explanation:
196 miles/2 hours= 98 miles in 1 hour