Using the Magic Hexagon

Front

What is the Pythagorean identity for sine and cosine?

Back

sin²θ + cos²θ = 1

Front

What is the definition of tangent in terms of sine and cosine?

Back

tanθ = sinθ / cosθ

Front

What is the reciprocal of sine?

Back

cscθ (cosecant)

Front

What is the reciprocal of cosine?

Back

secθ (secant)

Front

What is the reciprocal of tangent?

Back

cotθ (cotangent)

Front

Simplify: 1 - sin²θ

Back

cos²θ

Front

What is the value of sin²θ + cos²θ?

Back

1

Front

What is the relationship between cotangent and tangent?

Back

cotθ = 1/tanθ

Front

What is the value of tan(90°)?

Back

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Front

What is the value of sin(0°)?

Back

0