ACT MATH · Trigonometry Basics · Foundations
Trigonometry Basics: If math in a right triangle, find the adjacent-to-hypotenuse ratio.
SOH-CAH-TOA, unit circle values.
Try the problem
If in a right triangle, find the adjacent-to-hypotenuse ratio.
Hint and answer
Concept to use
$\sin\theta=\frac{opp}{hyp}$.
Hint
That is the definition of cosine.
Answer
4/5
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