 # Get help with trigonometric functions

Recent questions in Trigonometric Functions Kathy Williams 2021-12-12 Answered

### What is the exact value of $\mathrm{cos}135$ ? sputneyoh 2021-12-10 Answered

### Evaluate, please $\mathrm{sin}\left(\frac{\pi }{2}\right)$ Katherine Walls 2021-12-10 Answered

### How do you find the value of $\mathrm{cot}0$ Maria Huey 2021-12-09 Answered

### Simplify $\mathrm{tan}\left(\mathrm{arcsin}\left(x\right)\right)$ Sandra Allison 2021-12-09 Answered

### Solve $\mathrm{sin}\left(2x\right)-\mathrm{cos}\left(x\right)=0$ over the interval $0$ to $2\pi$. Concepcion Hale 2021-12-09 Answered

### Tell, what is the derivative of $\mathrm{sec}\left(x\right)$? eiraszero11cu 2021-12-08 Answered

### I have a question thatasks me to find an algebraic expression for $\mathrm{sin}\left(\mathrm{arccos}\left(x\right)\right)$. From the lone example in the book I seen they're doing some multistep thing with the identities, but I'm just not even sure where to start here. It's supposed to be $\sqrt{1-{x}^{2}}$ rescuedbyhimw0 2021-12-05 Answered

### Find the derivative of $y=\sqrt{x}$. Michael Dennis 2021-12-04 Answered

### Find the inverse of sin? Edmund Adams 2021-11-21 Answered

### A thin, uniform rod is bent into a square of side length a. If the total mass is M, find the moment of inertia about an axis through the center and perpendicular to the plane of the square. luipieduq3 2021-11-16 Answered

### Choose the point on the terminal side of 0. $0=2\frac{\pi }{3}$ a) $\left(1,-1\right)$ b) $\left(1,\sqrt{3}\right)$ c) $\left(-\sqrt{3},1\right)$ Trent Carpenter 2021-10-31 Answered

### $C\left(x\right)=5,000+20x-\frac{1}{4}{x}^{2}$ is a cost function. Calculate the marginal average cost when 20 (a), use your result to estimate the total cost when x=21 (b) and calculate the percentage error between this estimate and the actual cost when x=21 (c). Bergen 2021-10-31 Answered

### Find the form of the partial fraction decomposition of: 1. ${x}^{4}+6$ ${x}^{5}+7{x}^{3}$ 2. 2 ${\left({x}^{2}-9\right)}^{2}$ Ramsey 2021-10-30 Answered

### Prove that $\frac{\mathrm{sin}A}{\left(1+\mathrm{cos}A\right)}+\frac{\left(1+\mathrm{cos}A\right)}{\mathrm{sin}A}=2\mathrm{csc}A$ midtlinjeg 2021-10-30 Answered

### At what points does the helix $r\left(t\right)=<\mathrm{sin}t,\mathrm{cos}t,t>$intersect the sphere ${x}^{2}+{y}^{2}+{z}^{2}=5$ vestirme4 2021-10-30 Answered

### Choose the point on the terminal side of 0. $0=-{60}^{\circ }\left(a\right)\left(-1,-1\right)\left(b\right)\left(1,-\sqrt{3}\right)\left(c\right)\left(-\sqrt{3},1\right)$ glamrockqueen7 2021-10-29 Answered

### Find the exact value of the trigonometric function at the given real number. $\mathrm{sin}\frac{7\pi }{4}$ vestirme4 2021-10-29 Answered

### Find the inverse the function and the domain and the range of f and ${f}^{-1}$, if the function is $f\left(x\right)=2\frac{x}{x+5}$ and it's one-to-one. Marvin Mccormick 2021-10-29 Answered

### Find the particular solution that satisfies the differential equation and the initial condition. $f”\left(x\right)=\mathrm{sin}x,{f}^{\prime }\left(0\right)=1,f\left(0\right)=6$ chillywilly12a 2021-10-28 Answered

### Show that the equation has exactly one real root. $2x+\mathrm{cos}x=0$

When you need someone to help you solve trigonometric functions, remember that you should understand the basics in any case. As a field of Geometry, Trigonometry can only be mastered with the help of examples. Take your time to look through the list of questions and related answers.

It will help you to practice various approaches and find the best solutions for your particular task. If what you need is not included below, remember that you should use the templates below to understand the rules. By doing so, you will achieve success!