Trigonometry Basics: Ratios & Oblique Triangles

Front

Sine Ratio

Back

Opposite/Hypotenuse

Front

Cosine Ratio

Back

Adjacent/Hypotenuse

Front

Tangent Ratio

Back

Opposite/Adjacent

Front

Cosecant Ratio

Back

Hypotenuse/Opposite

Front

Secant Ratio

Back

Hypotenuse/Adjacent

Front

Cotangent Ratio

Back

Adjacent/Opposite

Front

Pythagorean Theorem

Back

a² + b² = c²

Front

Which of the following is the value of sin(30°)?

Back

0.707

Front

Law of Sines

Back

a/sinA = b/sinB = c/sinC

Front

If tan(θ) = 3/4, what is sin(θ)?

Back

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