Explain how to find the value of \cos(-45^{\circ}) using even-odd properties.

FizeauV

FizeauV

Answered question

2021-08-17

Explain how to find the value of cos(45) using even-odd properties.

Answer & Explanation

Malena

Malena

Skilled2021-08-18Added 83 answers

We are aware of the property that
f(x)=f(x) 
And because we are aware that cos is an even function, 1) cos(45)=cos(45) 

We know the value of cos(45)=12. 
Hence the value of cos(45)=12 from equation(1).

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?