Trig Identities: Lesson #1 Exit Ticket

Front

Simplify: sin²θ + cos²θ

Back

1

Front

What is csc(x) equivalent to?

Back

1/sin(x)

Front

Rewrite tan(x) in terms of sin(x) and cos(x).

Back

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

Front

Solve for cos²x + sin²x = ?

Back

1

Front

Solve for tan²θ: 1 + tan²θ = sec²θ

Back

tan²θ = sec²θ - 1

Front

What is the Pythagorean identity?

Back

sin²θ + cos²θ = 1

Front

What is the definition of sec(x)?

Back

sec(x) = 1/cos(x)

Front

What is the definition of cot(x)?

Back

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

Front

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

Back

csc(x) = 1/sin(x)

Front

What is the relationship between cos(x) and sec(x)?

Back

sec(x) = 1/cos(x)