Front

What is the Pythagorean identity for sine and cosine?

Back

sin²x + cos²x = 1

Tags

CCSS.HSF.TF.C.8

Front

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

Back

tan x = sin x / cos x

Tags

CCSS.HSF.TF.A.2

Front

What is the reciprocal identity for sine?

Back

csc x = 1/sin x

Tags

CCSS.HSF.TF.A.4

Front

What is the reciprocal identity for cosine?

Back

sec x = 1/cos x

Tags

CCSS.HSF.TF.A.4

Front

What is the reciprocal identity for tangent?

Back

cot x = 1/tan x

Tags

CCSS.HSF.TF.C.8

Front

What is the relationship between cotangent and tangent?

Back

cot x = 1/tan x

Tags

CCSS.HSF.TF.A.2

Front

What is the identity for the square of tangent?

Back

tan²x + 1 = sec²x

Front

What is the identity for the square of cotangent?

Back

1 + cot²x = csc²x

Front

Simplify: sin²x + cos²x

Back

1

Front

Simplify: tan x * cot x

Back

1