# Get help with trigonometric functions

Recent questions in Trigonometric Functions
Tobias Ali 2021-09-05 Answered

### If $$\displaystyle{y}={3}\sqrt{{x}}+\frac{{1}}{{\sqrt{{x}}}}$$, find the differential dy.

Tyra 2021-09-05 Answered

### A ring lies in the xy plane, centered at the origin. It has a radius of R and a uniformly distributed total charge Q. Due to the ring on the z-axis, as a function of z, what is the potential V(z)?

Alyce Wilkinson 2021-09-04 Answered

### $$\displaystyle\frac{{ \tan{\alpha}+ \cot{\alpha}}}{{ \sin{\alpha}- \cos{\alpha}}}={{\sec}^{2}\alpha}+{{\csc}^{2}\alpha}$$

foass77W 2021-09-04 Answered

### Name the two assumptions frequently made while estimating a cost function.

Zoe Oneal 2021-09-04 Answered

### When can and can't the two-sided limits exist?

Trent Carpenter 2021-09-04 Answered

### $$\displaystyle{f{{\left({x}\right)}}}=\frac{{2}}{{{19}+{x}}}$$ Find the power series representation and the interval of convergence.

iohanetc 2021-09-03 Answered

### Find the exact value of each expression. $$\displaystyle{\left({\tan}\right)}\frac{{{17}\pi}}{{12}}$$

ringearV 2021-09-03 Answered

### $$\displaystyle{\sin{{u}}}=-\frac{{24}}{{25}}$$ ($$\displaystyle{u}\in$$ Quadrant III) $$\displaystyle{\cos{{v}}}=-\frac{{8}}{{17}}$$ ($$\displaystyle{v}\in$$ Quadrant II) Evaluate the trigonometric function. Find $$\displaystyle{\cos{{u}}},{\sin{{v}}},{\quad\text{and}\quad}{\sin{{\left({u}-{v}\right)}}}$$.

Dolly Robinson 2021-09-02 Answered

### The terminal side of an angle θ in standard position intersects the unit circle at $$\displaystyle{\left(\frac{{5}}{{13}},\frac{{12}}{{13}}\right)}$$. What is sin (θ)? Write your answer in simplified, rationalized form.

postillan4 2021-09-02 Answered

### $$\displaystyle{y}={x}^{{2}}{e}^{{x}}−{2}{x}{e}^{{x}}+{4}{e}^{{x}}$$ The derivative of the function is?

Ramsey 2021-09-02 Answered

### Evaluate: 1) $$\displaystyle{\cos{{\left(\frac{{{9}\pi}}{{4}}\right)}}}$$ 2) $$\displaystyle{\sin{{\left(\frac{{-{9}\pi}}{{4}}\right)}}}$$ 3) $$\displaystyle{\cot{{\left(\frac{{-{5}\pi}}{{4}}\right)}}}$$ 4) $$\displaystyle-{\cot{{\left(\frac{\pi}{{{4}+{17}\pi}}\right)}}}$$

Daniaal Sanchez 2021-09-02 Answered

### What simplifies decision making and helps coordinate all activities related to a product?

zi2lalZ 2021-09-01 Answered

### Express $$\displaystyle{\sin{{\left({\arccos{{\left(\frac{{2}}{{x}}\right)}}}\right)}}}$$ in terms of x.

boitshupoO 2021-08-31 Answered

### Evaluate: 1) $$\displaystyle{\cos{{\left(\frac{{{9}\pi}}{{4}}\right)}}}$$ 2) $$\displaystyle{\sin{{\left(\frac{{-{9}\pi}}{{4}}\right)}}}$$ 3) $$\displaystyle{\cot{{\left(\frac{{-{5}\pi}}{{4}}\right)}}}$$ 4) $$\displaystyle-{\cot{{\left(\frac{\pi}{{4}}+{17}\pi\right)}}}$$

Emeli Hagan 2021-06-22 Answered

### $$\displaystyle\frac{{{1}+{\cos{{x}}}}}{{\sin{{x}}}}={\csc{{x}}}+{\cot{{x}}}$$

BolkowN 2021-06-17 Answered

### The terminal side of an angle $$\theta$$ in standard position intersects the unit circle at $$\displaystyle{\left(\frac{{5}}{{13}},\frac{{12}}{{13}}\right)}$$. What is $$\sin (\theta)$$? Write your answer in simplified, rationalized form.

Wotzdorfg 2021-06-14 Answered

### $$\tan 28^{\circ} = \cot ?$$

allhvasstH 2021-06-12 Answered

### $$\displaystyle{\tan{{\left({x}\right)}}}{\sin{{\left({x}\right)}}}+{\sec{{\left({x}\right)}}}{{\cos}^{{2}}{\left({x}\right)}}={\sec{{\left({x}\right)}}}$$

nagasenaz 2021-06-10 Answered

### $$\displaystyle\frac{{\sin{{\left({a}-{b}\right)}}}}{{\cos{{a}}}}{\cos{{b}}}={\tan{{a}}}-{\tan{{b}}}$$

necessaryh 2021-06-09 Answered

### If $$A = 40^{\circ}, B = 60^{\circ}$$, and $$a = 20$$, find b.

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