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Chapter 7: Q. 80 (page 504)

In Problems $76 - 80$ , use a calculator to find an approximate value for each expression, rounded to two decimal places.

Short Answer

Expert verified

The approximate value is $- 0.25$

Step by step solution

01

given information

Given expression $\cot^{- 1} (- 4)$

02

using a calculator and calculate

Using a calculator, we get

$\cot^{- 1} (- 4) = - 0.25$

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Most popular questions from this chapter

True or False: $\sin^{2} (θ) = 1 - \cos^{2} (θ)$

True or False

$\tan (2 θ) = \frac{2 \tan θ}{1 - \tan^{2} θ}$

Graph $f (x) = \sin^{2} x = \frac{1 - \cos (2 x)}{2}$ for $0 \leq x \leq 2 π$ by hand using transformations.

Establish each identity.

$\frac{{(s e c v - \tan v)}^{2} + 1}{c s c v (s e c v - \tan v)} = 2 \tan v$

The distance $d$ from the point $(2, - 3)$ to the point $(5, 1)$ is ______.

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