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Chapter 7: Q. 8 (page 450)

cos-1(cosx)=xwhere_____.

Short Answer

Expert verified

cos-1(cosx)=xwhere0≤x≤π

Step by step solution

01

Step 1. Given Information:

Given expression: cos-1(cosx)=xwhere_____

We want to fill the gap in given expression.

02

Step 2. Solution:

The function of cosine and its inverse has the following property:

f-1(f(x))=cos-1(cosx)=xwhere0≤x≤π

Therefore,cos-1(cosx)=xwhere0≤x≤π

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