156,253 views
38 votes
38 votes
Make sure your answer is in degrees. you should be able to find this without a calculator.

sin-1 -1/2 = ?

User Mohammed Mansoor
by
2.7k points

2 Answers

26 votes
26 votes

Answer:

Below.

Explanation:

sin-1 1/2 = 30 degrees in the first quadrant.

As the sin is negative in Quadrants 3 and 4,

sin01 -1/2

= 210, 330 degrees, in the range 0-360 degrees

User Snicolas
by
2.8k points
22 votes
22 votes

Answer: -30°

Explanation:

right on acellus

User Mox
by
3.2k points