1
answer
199
views
5
Problem

For access to Textbook Solutions, a Class+ or Grade+ subscription is required.

Textbook Expert
Textbook ExpertVerified Tutor
25 Oct 2021

Given information

Given the expression is .

The main objective is to find the exact value of the expression.

The formulas for a trignometric ratios using the right traingle are defined as follows:

 

Step-by-step explanation

Step 1.

Let .

Then, .

 

From  one have .

Find the adjacent by using the Pythagorean theorem as follows:

 

Unlock all Textbook Solutions

Already have an account? Log in
Start filling in the gaps now
Log in