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Chapter 6: Q. 22 (page 395)

In problems 11-26,use the fact that the trigonometric function are periodic to find the exact value of each expression. Do not use a calculator.

csc9蟺2

Short Answer

Expert verified

The exact value is1.

Step by step solution

01

Step 1. Given information.

We have:

csc9蟺2

02

Step 2. Find the exact value of trigonometric function. 

The function is csc9蟺2.

Formula used:

csc胃+2蟺=csc胃

Here, role="math" localid="1646460076591" 胃=蟺2

csc9蟺2=1sin9蟺2=1sin蟺2=11=1

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