 # Solve Precalculus Problems | Expert Help Available

Recent questions in Precalculus Maui1opj 2023-03-30

## Describe all solutions of Ax=0 in parametric vector form, where A is row equivalent to the given matrix$\left[\begin{array}{cccc}1& 3& 0& -4\\ 2& 6& 0& -8\end{array}\right]$ LoomiTymnk63x 2023-03-29

## Whether f is a function from Z to R if a) $f\left(n\right)=±n$. b) $f\left(n\right)=\sqrt{{n}^{2}+1}$. c) $f\left(n\right)=\frac{1}{{n}^{2}-4}$.? Riley Barton 2023-03-29

## Find, correct to the nearest degree, the three angles of the triangle with the given verticesA(1, 0, -1), B(3, -2, 0), C(1, 3, 3) Junior Hess 2023-03-27

## How to evaluate $\mathrm{sin}\left(\frac{-5\pi }{4}\right)$? Lexi Holmes 2023-03-27

## How to write the expression ${6}^{\frac{3}{2}}$ in radical form? Monverdeitum 2023-03-27

## What is the derivative of ${\mathrm{cot}}^{2}x$ ? Daisy Hatfield 2023-03-26

## Find $\mathrm{tan}\left(22.{5}^{\circ }\right)$ using the half-angle formula. Zachariah Ferrell 2023-03-26

## How to verify the identity: $\frac{\mathrm{cos}\left(x\right)-\mathrm{cos}\left(y\right)}{\mathrm{sin}\left(x\right)+\mathrm{sin}\left(y\right)}+\frac{\mathrm{sin}\left(x\right)-\mathrm{sin}\left(y\right)}{\mathrm{cos}\left(x\right)+\mathrm{cos}\left(y\right)}=0$? Joslyn Landry 2023-03-25

## The solution set of $\mathrm{tan}\theta =3\mathrm{cot}\theta$ is Trey Montes 2023-03-25

## How to find the exact values of $\mathrm{cos}22.5°$ using the half-angle formula? atentan4t9j 2023-03-25

## How do I find the value of sec(3pi/4)? Audrey Hall 2023-03-25

## How to find the angle between the vector and $x-$axis? Lexi Holmes 2023-03-25

## How to find the inflection points for the given function $f\left(x\right)={x}^{3}-3{x}^{2}+6x$? temujinzujb 2023-03-25

## Find the probability of getting 5 Mondays in the month of february in a leap year. Keegan Stevens 2023-03-25

## How to express the complex number in trigonometric form: 5-5i? Pieszkowo3gc4 2023-03-24

## How many diagonals are there in a nonagon? A.24B.16C.18 D.27 Lacey Cordova 2023-03-24

## How to find the value of $\mathrm{csc}90$? taxiereneo5k 2023-03-24

## Two lines perpendicular to a same line are parallel. A. True B. False Beckett Aguirre 2023-03-23 inframundosa921 2023-03-23