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Chapter 7: Q 51. (page 457)

In Problem, use a calculator to find the value of each expression rounded to two decimal places.

cot-1(-5)

Short Answer

Expert verified

cot-1(-5)=-0.42

Step by step solution

01

Step 1. Given information

An expression is cot-1(-5).

02

Step 2. Value of the expression

Consider the expression cot-1(-5).

Use the formula: cot-1(x)=tan-11x.

Put x=-5.

cot-1(-5)=tan-11-5=-0.42

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