Problem 26 of 7
Find the missing side using cosine from angle theta, hypotenuse h, adjacent x.
Using a hint is okay. It just tells the trainer to give you a little more review.
Hidden until you reveal it.
set up adjacent/hypotenuse ratio.
Hidden until you reveal it.
Use cosine as adjacent over hypotenuse.
Enter your answer
Your answer is equivalent to the expected form.
Walkthrough
Full solution stays hidden until you ask for it.
1. Label adjacent and hypotenuse relative to the angle.
2. Write cosine ratio.
3. Solve for the unknown side.
Use the worked steps, then substitute the final answer back into the original relationship to confirm it satisfies the prompt.
Using opposite side with cosine.