Precalculus Solutions | Expert Assistance for Problems & Examples

Express ${\sin 67}^{\circ} + {\cos 75}^{\circ}$ in terms of trigonometry ratios of angles between $0^{\circ}$ and $45^{\circ}$

pedzenekO 2021-08-20

Find all solution of the equation in the interval $[0, 2 π]$ .
$(\cos x - 1) (\sin x + 1) = 0$

Chaya Galloway 2021-08-20

The question asks for the exact value of the trignometric function at the given real number:
$\sin (\frac{7 π}{4})$ I answered $(\frac{- \sqrt{2}}{2})$

Chardonnay Felix 2021-08-20

Verify identify
$\csc (x) \sin (2 x) \sec^{2} (x) = \frac{2}{\cos (x)}$

Suman Cole 2021-08-20

Prove that
$2 \arcsin (x) = \arccos (1 - 2 x^{2})$ for $x \in (0, 1)$

Khadija Wells 2021-08-20

If $\tan x = \frac{b}{a}$ , then find the value of $\sqrt{\frac{a + b}{a - b}} + \sqrt{\frac{a - b}{a + b}}$

sibuzwaW 2021-08-20

Please, describe the application of the Alternating Series Test for each series:
a) $\sum_{n = 1}^{\infty} \frac{{(- 1)}^{n}}{n}$
b) $\sum_{n = 1}^{\infty} \frac{1}{n}$
c) $\sum_{n = 1}^{\infty} {(- 1)}^{n}$

Trent Carpenter 2021-08-20

Prove the equation:
$\frac{\tan x}{\tan x + \cot x} = \sin^{2} x$

Zoe Oneal 2021-08-20

Determine whether the lines L1 and L2 are parallel, skew, or intersecting. If they intersect, find the point of intersection.
$L 1 : \frac{x}{1} = \frac{y - 1}{- 1} = \frac{z - 2}{3}$
$L 2 : \frac{x - 2}{2} = \frac{y - 3}{- 2} = \frac{z}{7}$

a2linetagadaW 2021-08-20

P(x, y) is the endpoint of the unit circle determined by t. Then $\sin t =, \cos t =, and \tan t =$ .

pedzenekO 2021-08-20

Determine whether the following series converges: $\sum_{k = 1}^{\infty} (\frac{2}{{(k + 5)}^{3}})$ .

Wierzycaz 2021-08-19

What does it mean for an event to be unusual? Why should the cutoff for identifying unusual events not always be 0.05?

pedzenekO 2021-08-19

Two vectors, a and b, are unit vectors with an angle of 60 degrees between them (when tail-to-tail).
If the vectors below are orthogonal, what is the value(s) of m?
u= a-3b
v=ma + b

Wierzycaz 2021-08-19

Tell whether the series converges or diverges, and find sum, if it converges.
$\sum_{n = 3}^{\infty} (\frac{1}{n - 2} - \frac{1}{n})$

Jason Farmer 2021-08-19

Tell whether the series converge. If it converges, find the sum.
1) $\sum_{n = 0}^{\infty} {(\frac{π}{2})}^{n}$
2) $\sum_{n = 1}^{\infty} {(\frac{3}{7})}^{n}$

foass77W 2021-08-19

Determine whether the following series converges or diverges:
$\sum_{n = 1}^{\infty} \frac{n^{3} + n^{4}}{n^{5}} .$

sjeikdom0 2021-08-19

Solve the equation:
$\cos \frac{23 π}{12} + \cos \frac{5 π}{12}$

floymdiT 2021-08-19

If $\sin x = \frac{1}{3},$ x in quadrant 1, then find $\sin (2 x), \cos (2 x), \tan (2 x)$

Cem Hayes 2021-08-19

Solve the equations and show all the solutions in the first quadrant
$3 \tan θ - \cot θ = 0$

chillywilly12a 2021-08-19

Answer using ASTC chart:
$5 \csc^{2} θ - 4 \csc θ - 1 = 0$

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.

Precalculus

Solve Precalculus Problems | Expert Help Available