Fundamental Trig Identities

Front

What is the reciprocal function of sin(x)?

Back

csc(x)

Front

What is the reciprocal function of cos(x)?

Back

sec(x)

Front

What is the reciprocal function of tan(x)?

Back

cot(x)

Front

What is the reciprocal function of csc(x)?

Back

sin(x)

Front

What is the reciprocal function of sec(x)?

Back

cos(x)

Front

What is the reciprocal function of cot(x)?

Back

tan(x)

Front

Fill in the blank: tan(x) = ____ / cos(x)

Back

sin(x)

Front

Fill in the blank: sin(x) = ____ / csc(x)

Back

1

Front

Fill in the blank: cos(x) = ____ / sec(x)

Back

1

Front

What is the Pythagorean identity?

Back

sin²(x) + cos²(x) = 1