What is SOH CAH TOA?
"SOHCAHTOA" is a helpful mnemonic for remembering the definitions of the trigonometric functions sine, cosine, and tangent i.e., sine equals opposite over hypotenuse, cosine equals adjacent over hypotenuse, and tangent equals opposite over adjacent, (1) (2)
Which of the following trigonometric ratios is correct?
Trigonometric Ratios | |
Sin θ | Opposite Side to θ/Hypotenuse |
Tan θ | Opposite Side/Adjacent Side & Sin θ/Cos θ |
Cot θ | Adjacent Side/Opposite Side & 1/tan θ |
Sec θ | Hypotenuse/Adjacent Side & 1/cos θ |