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Chapter 7: Q 43. (page 457)

In Problems 37-44, find the exact value of each expression.

role="math" localid="1646533075634" cot-1-32

Short Answer

Expert verified

The exact value of the expression is-蟺3

Step by step solution

01

Write the given information.

cot-1-32

02

Use the trigonometric identity.

We know that cotx=1tanxtherefore we get:

1tanx=-33tanx=-33tanx=-33路33tanx=-333tanx=-3

x=tan-1-3x=tan-1tan-蟺3x=-蟺3

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