# Get help with trigonometric functions

Recent questions in Trigonometric Functions
Tahmid Knox 2021-01-30 Answered

### $$a+b+c=180^{\circ}$$ prove that $$\displaystyle{\cos{{a}}}+{\cos{{b}}}+{\cos{{c}}}$$

Lipossig 2021-01-27 Answered

### Find the exact value of the trigonometric function $$\displaystyle\frac{{\cos{{\left({9}\pi\right)}}}}{{4}}$$.

Lipossig 2021-01-24 Answered

### Let $$x=a\sin \theta\ in\ \sqrt{a^{2}-x^{2}}$$. Then find $$\cos \theta \ \tan \theta$$

facas9 2021-01-10 Answered

### What is the path that traces the circle in the plane =1 with radius =5 and center (−7,1,1) with constant speed 15?

Dottie Parra 2021-01-04 Answered

### $$\sec \theta = -3, \tan \theta > 0$$. Find the exact value of the remaining trigonometric functions of $$\theta$$.

Lennie Carroll 2020-12-28 Answered

### If $$f(\theta) = \sin \theta = 0.2$$ Find $$f(\theta + \pi)$$

Kye 2020-12-22 Answered

### Use a calculator to find the value of the trigonometric function csc 1 to four decimal places.

Kye 2020-11-26 Answered

### Write the trigonometric expression $$\displaystyle{\cos{{\left({{\sin}^{{-{1}}}{x}}-{{\cos}^{{-{1}}}{y}}\right)}}}$$ as an algebraic expression (that is, without any trigonometric functions). Assume that x and y are positive and in the domain of the given inverse trigonometric function.

zi2lalZ 2020-11-26 Answered

### Find the exact value of the trigonometric function $$\displaystyle{\sec{{\left(\frac{{-{9}\pi}}{{4}}\right)}}}$$ .

kuCAu 2020-11-05 Answered

### How are the inverse trigonometric functions defined?

a2linetagadaW 2020-10-23 Answered

### Determine whether the statement "I’ve noticed that for sine, cosine, and tangent, the trig function for the sum of two angles is not equal to that trig function of the first angle plus that trig function of the second angle", makes sense or does not make sense, and explain your reasoning.

Khadija Wells 2020-10-23 Answered

### The trigonometric functions $$\displaystyle{\sec{{\left({225}^{\circ}\right)}}}$$

SchachtN 2020-10-18 Answered

### Solve $$\displaystyle{n}={3}\sqrt{{{6}\frac{{V}}{{7}}π}}$$ for V

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.

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