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Chapter 6: Q. 16 (page 436)

Use a calculator to evaluate the expressioncot28蟺9 Round your answer to three decimal places.

Short Answer

Expert verified

cot28蟺7鈮�2.747

Step by step solution

01

Step 1. Use of calculator

First we have to set the mode of calculator so that calculator can solve the Trigonometric functions.

02

Step 2. Calculations 

cot28蟺9=cot3蟺+蟺9=cot蟺9=1tan蟺9=2.7474774195

03

Step 3. Round the result to 3 decimal places 

2.7474774195鈮�2.747

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