Find the following ratio $\triangle D E F$ where $m \angle E$ = $90^\circ$ DE = 4, EF= 3, DF = 5.

$$\tan D$$

Find the following in $\triangle N O P$ where $m \angle O$ = $90^\circ$, OP=9.2, NP=15.8 & N0=?. $N O$ to the nearest tenth

Simplify. $(2 x-7)(3 x+4)$

In a right triangle, the leg adjacent to a $77^{\circ}$ angle has a length of 87. Solve the triangle.

Find each ratio by drawing a reference angle. $\sin 690^{\circ}$

Solve for values of x with $0^{\circ} \leq x \leq 360^{\circ}$. $\sin x=-1$

The two legs of a right triangle measure 23.5 and 27.9. Solve the triangle.

Find each ratio by drawing a reference angle. $\tan 300^{\circ}$

Find each ratio by drawing a reference angle. $\cos 225^{\circ}$

Explain how to find the measure of an unknown acute angle in a right triangle.

Rationalize.Write in simplest radical form. $\frac{\sqrt{18}}{\sqrt{5}}$

Find the following ratio by drawing a reference angle.

$\sin 480^{\circ}$

Find each ratio by drawing a reference angle. $\sin 585^{\circ}$

If parallelogram $A B C D$ is reflected over the $\boldsymbol{y}$-axis to become $A^{\prime} B^{\prime} C^{\prime} D^{\prime}$, what are the coordinates of $C^{\prime}$ ?