ACT MATH · Trigonometry Basics · Foundations
Trigonometry Basics: A ladder math ft long reaches math ft up a wall. What is the sine of its angle with the ground?
SOH-CAH-TOA, unit circle values.
Try the problem
A ladder ft long reaches ft up a wall. What is the sine of its angle with the ground?
Hint and answer
Concept to use
$\sin\theta=\frac{opp}{hyp}$.
Hint
Height is opposite; ladder is hypotenuse.
Answer
4/5
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