1 of 26
Dr. Burger rides his bike to work in the
mornings. Usually, he leaves his house at 8:20
and gets to the office at 9:00 riding at a rate of
15 miles an hour. On this particular morning
he has overslept and leaves at 8:45.
Correct!
You said D:
40 mi

1 of 21
Correct!
You said A:
The correct answer is A:
Explanation:
explanation
ENC:M%22%2CC ENC:%26%22%5 ENC:%28%22%2 ENC:%25%22%2 ENC:%25%22LG
ENC:%26%22%2
ENC:%25%22LG
1
ENC:07%28%26
0
1
mc
next
ENC:%25%22LG
ENC:07%28%26
0
1
mc
1
next
1
review
false
fal

1 of 22
Correct!
You said D:
1
The correct answer is D:
1
Explanation:
1
csc x =
csc x
,
= csc2 x
sin x sin x
csc x
So,
cot2 x = csc2 x cot2 x
sin x
1
cos2 x 1 cos2 x
=
=
2
2
sin x sin x
sin2 x
sin2 x
=
=1
2
sin x
explanation
ENC:M%22%2CC ENC:%26%22%5 ENC