Recent questions in Precalculus

PrecalculusAnswered question

Maui1opj 2023-03-30

Describe all solutions of Ax=0 in parametric vector form, where A is row equivalent to the given matrix

$$\left[\begin{array}{cccc}1& 3& 0& -4\\ 2& 6& 0& -8\end{array}\right]$$

PrecalculusAnswered question

LoomiTymnk63x 2023-03-29

Whether f is a function from Z to R if

a) $f\left(n\right)=\pm n$.

b) $f\left(n\right)=\sqrt{{n}^{2}+1}$.

c) $f\left(n\right)=\frac{1}{{n}^{2}-4}$.

PrecalculusAnswered question

Riley Barton 2023-03-29

Find, correct to the nearest degree, the three angles of the triangle with the given vertices

A(1, 0, -1), B(3, -2, 0), C(1, 3, 3)

A(1, 0, -1), B(3, -2, 0), C(1, 3, 3)

PrecalculusAnswered question

Junior Hess 2023-03-27

How to evaluate $\mathrm{sin}\left(\frac{-5\pi}{4}\right)$?

PrecalculusAnswered question

Lexi Holmes 2023-03-27

How to write the expression ${6}^{\frac{3}{2}}$ in radical form?

PrecalculusAnswered question

Monverdeitum 2023-03-27

What is the derivative of ${\mathrm{cot}}^{2}x$ ?

PrecalculusAnswered question

Daisy Hatfield 2023-03-26

Find $\mathrm{tan}\left(22.{5}^{\circ}\right)$ using the half-angle formula.

PrecalculusAnswered question

Zachariah Ferrell 2023-03-26

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

PrecalculusAnswered question

Joslyn Landry 2023-03-25

The solution set of $\mathrm{tan}\theta =3\mathrm{cot}\theta $ is

PrecalculusAnswered question

Trey Montes 2023-03-25

How to find the exact values of $\mathrm{cos}22.5\xb0$ using the half-angle formula?

PrecalculusAnswered question

Audrey Hall 2023-03-25

How to find the angle between the vector and $x-$axis?

PrecalculusAnswered question

Lexi Holmes 2023-03-25

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

PrecalculusAnswered question

temujinzujb 2023-03-25

Find the probability of getting 5 Mondays in the month of february in a leap year.

PrecalculusAnswered question

Keegan Stevens 2023-03-25

How to express the complex number in trigonometric form: 5-5i?

PrecalculusAnswered question

Pieszkowo3gc4 2023-03-24

How many diagonals are there in a nonagon?

A.24

B.16

C.18

D.27

A.24

B.16

C.18

D.27

PrecalculusAnswered question

taxiereneo5k 2023-03-24

Two lines perpendicular to a same line are parallel.

A. True

B. False

A. True

B. False

PrecalculusAnswered question

Beckett Aguirre 2023-03-23

If tan x=11/r and cos x=r/s what is the value of sin x?

PrecalculusAnswered question

inframundosa921 2023-03-23

How to combine like terms $(-3{y}^{2}-7y-9)-(4{y}^{2}+6y+9)$?

Precalculus problems and solutions are hard to find online even though this topic is quite popular among college students majoring in Engineering. Keeping this fact in mind, we decided to provide you with a list of questions and answers that will help you with various precalculus problems. Regardless if it is related to equations or any other problem, these precalculus problems and composite functions examples and solutions below will help you see the logic and compare solutions as you check your original task.