Back to AI Flashcard MakerMathematics /Sine Function Definition (sin θ) - Math 144 - Test#1
Sine Function Definition (sin θ) - Math 144 - Test#1
The sine of an angle 𝜃 θ in a right triangle is the ratio of the length of the side opposite the angle to the length of the hypotenuse.
Pythagorean's Theorem

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Key Terms
Term
Definition
Pythagorean's Theorem
Sine of θ
Sin θ = opposite/hypotenuse
Cosine of θ
Cos θ = Adjacent/Hypotenuse
Tangent of θ
Tan θ = Opposite/Adjacent
Cosecant of θ
Csc θ = hypotenuse/opposite
Secant of θ
sec θ = hypotenuse/adjacent
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| Term | Definition |
|---|---|
Pythagorean's Theorem | |
Sine of θ | Sin θ = opposite/hypotenuse |
Cosine of θ | Cos θ = Adjacent/Hypotenuse |
Tangent of θ | Tan θ = Opposite/Adjacent |
Cosecant of θ | Csc θ = hypotenuse/opposite |
Secant of θ | sec θ = hypotenuse/adjacent |
Cotangent of θ | cot θ = adjacent/opposite |
Recriprocal Identity |