Simplifying Trig Identities

Front

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

Back

tan x = \frac{\sin x}{\cos x}

Front

What is the Pythagorean identity involving sine and cosine?

Back

sin^2 x + cos^2 x = 1

Front

What is the definition of cosecant (csc)?

Back

csc x = \frac{1}{\sin x}

Front

What is the definition of secant (sec)?

Back

sec x = \frac{1}{\cos x}

Front

What is the definition of cotangent (cot)?

Back

cot x = \frac{1}{\tan x} = \frac{\cos x}{\sin x}

Front

Back

cos x

Front

Back

-\sec^2 x

Front

What is the relationship between cotangent and tangent?

Back

cot x = \frac{1}{tan x}

Front

Back

1

Front

Back

2