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What is the rule of trigonometry?

Updated: 10/19/2022
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12y ago

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Just remember SOHCAHTOA,

SOH is using the sine, only use this when you have the Hypotenuse and the Opposite.

Sin(a)= O/H

CAH is using the cosine, only use this when you have the Hypotenuse and Adjasent.

Cos(a)=A/H

TOA is using the tangent, only use this when you have the Opposite and Adjasent.

Tan(a)=O/A

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Q: What is the rule of trigonometry?
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