Right Triangle Trigonometry Answer Key

18 problems, solving for a missing side or angle using $\sin$, $\cos$, $\tan$, $\sin^{-1}$, $\cos^{-1}$, and $\tan^{-1}$.

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Each triangle is drawn to scale from its real side lengths and angle, so the shape you see matches the numbers given. The right angle is marked with a small square. Show your work in the space beside each triangle. Round answers to the nearest tenth. On screen, the eye at the right of each problem shows or hides the worked solution.