Trig. Identities

Front

What is the reciprocal function of sin(x)?

Back

csc(x)

Front

What is the reciprocal function of cos(x)?

Back

sec(x)

Tags

CCSS.HSF.BF.B.3

Front

What is the reciprocal function of tan(x)?

Back

cot(x)

Tags

CCSS.HSF.TF.A.2

Front

What is the Pythagorean identity involving sin and cos?

Back

sin²(x) + cos²(x) = 1

Tags

CCSS.HSF.TF.C.8

Front

What is the Pythagorean identity involving tan and sec?

Back

tan²(x) + 1 = sec²(x)

Tags

CCSS.HSF.TF.C.8

Front

What is the Pythagorean identity involving cot and csc?

Back

1 + cot²(x) = csc²(x)

Tags

CCSS.HSF.TF.C.8

Front

What is the definition of sec(x)?

Back

sec(x) = 1/cos(x)

Tags

CCSS.HSF.TF.A.2

Front

What is the definition of csc(x)?

Back

csc(x) = 1/sin(x)

Tags

CCSS.HSF.TF.A.2

Front

What is the definition of cot(x)?

Back

cot(x) = 1/tan(x) = cos(x)/sin(x)

Tags

CCSS.HSF.TF.A.2

Front

What is the relationship between sin(x) and csc(x)?

Back

csc(x) = 1/sin(x)

Tags

CCSS.HSF.TF.A.2