2. Trigonometric Functions on Right Triangles

In square $ABCD$, what is the measure of angle $\angle BAC$?

Given that lines $b$ and $c$ are parallel and angle $6$ is formed by a transversal intersecting these lines, what is the measure of angle $6$?

Suppose $LK$ is tangent to circle $J$ at point $K$. If the distance from the center $J$ to point $L$ is $10$ units and the distance from $L$ to $K$ is $6$ units, what is the length of the radius of the circle?

In right triangle $PSQ$, angle $PSR$ measures $99°$. What is the measure of angle $PSQ$ in degrees?

Given a right triangle, what is the value of $tan(60°)$?

In a regular polygon with $4$ sides, what is the measure of each interior angle?

Given a right triangle where angle $A$ is the right angle, what is the measure of angle $B$ if angle $C$ is $15°$?

In the context of right triangles, which of the following best describes when the $\tan$ function can be applied to relate a line and an arc?

Given a right triangle where the side opposite angle $\theta$ has length $3$, the adjacent side has length $4$, and the hypotenuse has length $5$, what is the equation for the trigonometric function $f\left(x\right)$ that represents $sin$ of angle $\theta$ in terms of these side lengths?

The ? side of a triangle is the side next to the reference angle and connected to the right angle.

If $\mathrm{angle}2$ is congruent to $\mathrm{angle}6$ in two right triangles, which of the following statements is true about the ratios of their corresponding sides?

In a right triangle, if the length of the adjacent side to angle $\theta$ is $12\mathrm{cm}$ and the length of the hypotenuse is $13\mathrm{cm}$, what is the value of $\cos \left(\theta \right)$?

Given a right triangle with angles measuring $15°$, $29°$, and $136°$, what is the measure of the smallest angle?

In a right triangle ABC with right angle at $C$, if $\mathrm{AD}$ is the altitude from vertex $A$ to the hypotenuse $\mathrm{BC}$, which of the following is true about the relationship between the segments $\mathrm{BD}$, $\mathrm{DC}$, and $\mathrm{AD}$?