Advanced Math - Trig Identities

Front

What is the Pythagorean Identity for sine and cosine?

Back

sin²θ + cos²θ = 1

Front

What is the definition of secant (sec)?

Back

secθ = 1/cosθ

Front

What is the definition of cosecant (csc)?

Back

cscθ = 1/sinθ

Front

What is the relationship between cotangent and tangent?

Back

cotθ = 1/tanθ

Front

What is the relationship between secant and cosecant?

Back

sec²θ = 1 + tan²θ and csc²θ = 1 + cot²θ

Front

Simplify: sin²θ + cos²θ

Back

1

Front

What is the value of sec²θ - tan²θ?

Back

1

Front

What is the definition of cotangent (cot)?

Back

cotθ = cosθ/sinθ

Front

What is the double angle formula for sine?

Back

sin(2θ) = 2sinθcosθ

Front

What is the double angle formula for cosine?

Back

cos(2θ) = cos²θ - sin²θ