Multiple Choice
Find the exact value of the expression in degrees without using a calculator or table.
- = arccos (1)
A) 270°
B) 45°
C) 90°
D) 0°
Correct Answer:

Verified
Correct Answer:
Verified
Q18: Find the exact value of the expression
Q19: Solve the problem.<br>-A vertical antenna is mounted
Q20: Solve the problem.<br>-Find the distance in kilometers
Q21: Give the signs of the trigonometric functions.<br>-sin
Q22: Graph the function.<br>-<img src="https://d2lvgg3v3hfg70.cloudfront.net/TB8458/.jpg" alt="Graph the function.
Q24: Solve the problem.<br>-From a distance of 48
Q25: Name the quadrant in which the angle
Q26: Graph the function.<br>-<img src="https://d2lvgg3v3hfg70.cloudfront.net/TB8458/.jpg" alt="Graph the function.
Q27: Find the reference angle for the given
Q28: Use a calculator to find the function