Using the Magic Hexagon

Front

What is the Pythagorean identity for sine and cosine?

Back

sin²θ + cos²θ = 1

Tags

CCSS.HSF.TF.C.8

Front

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

Back

tanθ = sinθ / cosθ

Tags

CCSS.HSF.TF.A.2

Front

What is the reciprocal of sine?

Back

cscθ (cosecant)

Tags

CCSS.HSF.TF.A.2

Front

What is the reciprocal of cosine?

Back

secθ (secant)

Tags

CCSS.HSF.TF.A.2

Front

What is the reciprocal of tangent?

Back

cotθ (cotangent)

Tags

CCSS.HSF.TF.A.2

Front

Simplify: 1 - sin²θ

Back

cos²θ

Front

What is the value of sin²θ + cos²θ?

Back

1

Tags

CCSS.HSF.TF.C.8

Front

What is the relationship between cotangent and tangent?

Back

cotθ = 1/tanθ

Tags

CCSS.HSF.TF.A.2

Front

What is the value of tan(90°)?

Back

undefined

Tags

CCSS.HSF.TF.A.2

Front

What is the value of sin(0°)?

Back

0

Tags

CCSS.HSF.TF.A.2