In this exercise, use a calculator to find the value of the trigonometric function to four decimal places.

$$\csc 1$$

Use a calculator to evaluate expression $5^{3.9}$. Round answers to two decimal places.

What are the products of reaction of (E)-3-methyl-3-hexene with each of the reagents in the indicated problem?

Use a calculator to evaluate the trigonometric function to four decimal places.
cos 80$^\circ$

In this exercise, evaluate the expression. Round your result to three decimal places.

$$0.7^{2.5}$$

If $\cos \theta=0.125,$ find $\sec \theta$.

Approximate $\pi^{2 / 5}$ using a calculator and round your answer to two decimal places.

In this exercise, solve for the value of x that will satisfy the given equation.

$${ }_6 P_2=x\left({ }_5 P_3\right)$$

For the following exercise,

Find the exact value.

$$\cos \left(\frac{7 \pi}{12}\right)$$

solve the inequality. (Round your answers to two decimal places.)

$$2/3.1x-3.7 > 5.8$$

Rewrite $\dfrac{1}{n}\sec^2\left(1 + \dfrac{1}{n}\right) + \dfrac{1}{n}\sec^2\left(1 + \dfrac{2}{n}\right) + \dfrac{1}{n}\sec^2\left(1 + \dfrac{3}{n}\right) + \ldots + \dfrac{1}{n}\sec^2\left(1 + \dfrac{n}{n}\right)$ using sigma notation. Do not evaluate.

Use a calculator to evaluate the trigonometric function to four decimal places.
csc 340$^\circ$

solve the inequality. (Round your answers to two decimal places.)

$$-1.3x^2+3.78 > 2.12$$

A car under surveillance accelerates at a constant rate from 0 mph to 60 mph in 30 sec. How far has it traveled after 30 sec?