Civil Engineering Online Review

Find θ if cos θ = sin 2θ

A. 45°
B. 60°
C. 30°
D. 75°

Solution:

Read more…

Two cars starting at the same time travel from A to B 1000m apart. One car can travel 1000m in 130 seconds while the other car can travel the same distance in 120 seconds. How far behind the faster car is the slower car when the faster car reached point B?

A. 76.9m
B. 82.5m
C. 96.3m
D. 68.4m

Solution:

Read more…

When f(x) = cx³ – 2x² + dx -4 is divided by (x + 2), the remainder is -34, and when divided by (x – 2), the remainder id 10. What is the value of d?

A. 3
B. 2
C. -3
D. -2

Solution:

Read more…