What is the value cos(72^circ)? Write your answer in decimals.

FizeauV

FizeauV

Answered question

2020-10-26

What is the value cos(72)? Write your answer in decimals.

Answer & Explanation

Demi-Leigh Barrera

Demi-Leigh Barrera

Skilled2020-10-27Added 97 answers

The formula:
cos(x)=sin(90x)
Substitute the given angle:
cos(72)=sin(9072)
cos(72)=sin(18)
=2354
0.30901

Do you have a similar question?

Recalculate according to your conditions!

Ask your question.
Get an expert answer.

Let our experts help you. Answer in as fast as 15 minutes.

Didn't find what you were looking for?