2. Trigonometric Functions on Right Triangles

Given a right triangle where the side adjacent to angle $\theta$ is $4$ units and the hypotenuse is $5$ units, what is the value of $\sec \theta$?

In a right triangle, if angle $ONP$ is one of the non-right angles and the other non-right angle measures $50°$, what is the measure of angle $ONP$?

Triangle $ABC$ is a right triangle with angles $A$, $B$, and $C$. If angle $C$ is the right angle, which statement is true about the measures of angles $A$ and $B$?

Given that lines b and c are parallel and angle 2 is formed by a transversal intersecting these lines, if $m\angle 2=50°$, what is the measure of angle 2?

Given a right triangle where one of the acute angles is $30°$, what is the measure of the other acute angle?

In the context of right triangles, what does the trigonometric function $\tan$ (often abbreviated as tg) of an angle represent?

Given a right triangle with sides $a$, $b$, and hypotenuse $c$, and angle $\angle lkj$ opposite side $a$, which equation can be used to find the measure of angle $\angle lkj$?

Given that triangles $vwx$ and $nop$ are similar, and that angle $mv$ is $44°$ and angle $mp$ is $66°$, what is the measure of angle $w$ in triangle $vwx$?

Given a right triangle, what is the measure of angle $A$ if $m\angle A$ is the smallest angle and the other two angles are $90°$ and $71°$?

In triangle MNO, angle MNO measures $112°$. If triangle MNO is a right triangle with the right angle at vertex N, what is the measure of angle LMN?

In a right triangle, what is the reciprocal of $\tan b$?

Given a right triangle with an angle of $35°$ and an adjacent side of length $5$, which equation can be used to solve for the hypotenuse $c$?

In a right triangle, one leg measures $7$ units and the other leg measures $12$ units. Find the measure of the angle opposite the side of length $7$ to the nearest degree.

Given a circle with circumference $C$ and a central angle of $\theta$ radians, what is the length of the arc subtended by the angle $\theta$?