Question #70da0

1 Answer
Douglas K.
Jan 7, 2017

Use the inverse cosine function on a calculator.

Explanation:

Enter 0.8266 into a calculator.

Hit the button marked cos^-1

You should obtain the number 34.24895640

Rounded to the nearest hundredth of a degree 34.25^@ this is the reference angle.

To find the other value that occurs within your specified domain, subtract the reference angle from 360^@:

360 - 34.24895640 = 325.75^@

Related questions
See all questions in Trigonometric Functions of Any Angle
Impact of this question
1850 views around the world
You can reuse this answer
Creative Commons License