HW 5.1 Verifying Trigonometric Identities

Front

What is the first step in verifying a trigonometric identity?

Back

Pick a side to simplify.

Front

What is the first step in simplifying a trigonometric expression?

Back

Change to sine and cosine.

Front

Back

Front

What is the definition of csc θ?

Back

csc θ = 1/sin θ.

Front

What is the relationship between sec²θ and tan²θ?

Back

sec²θ = 1 + tan²θ.

Front

Back

Front

What is the identity for cotangent in terms of sine and cosine?

Back

cot θ = cos θ/sin θ.

Front

What is the identity for cosecant in terms of sine?

Back

csc θ = 1/sin θ.

Front

What is the identity for secant in terms of cosine?

Back

sec θ = 1/cos θ.

Front

What is the first step to take when simplifying a complex trigonometric expression?

Back

Identify and apply trigonometric identities.