Using the Magic Hexagon

Front

What is the Pythagorean identity for sine and cosine?

Back

sin²(x) + cos²(x) = 1

Front

What is the reciprocal of sin(x)?

Back

csc(x)

Front

What is the reciprocal of cos(x)?

Back

sec(x)

Front

What is the reciprocal of tan(x)?

Back

cot(x)

Front

What is the value of sin²(x) + cos²(x)?

Back

1

Front

What is the relationship between sec²(x) and tan²(x)?

Back

sec²(x) = 1 + tan²(x)

Front

What is the relationship between csc²(x) and cot²(x)?

Back

csc²(x) = 1 + cot²(x)

Front

Simplify: 1 - sin²(x)

Back

cos²(x)

Front

What is the value of csc(90°)?

Back

1

Front

What is the value of sec(0°)?

Back

1