Trig Identities - Exam

Front

What is the value of sin(x + π)?

Back

-sin(x)

Front

What is the identity for sin²θ + cos²θ?

Back

1

Front

Simplify the expression: (cos x)(sin x)(csc x)(sec x)

Back

1

Front

What is the value of cos²x + sin²x?

Back

1

Front

What is the value of sin²x + cos²x + 1?

Back

2

Front

What is the Pythagorean identity?

Back

sin²x + cos²x = 1

Front

What is the definition of secant?

Back

sec(x) = 1/cos(x)

Front

What is the definition of cosecant?

Back

csc(x) = 1/sin(x)

Front

What is the relationship between tangent and sine/cosine?

Back

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

Front

What is the relationship between cotangent and sine/cosine?

Back

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