Precalculus: Trig Identities

Front 1

sec(x)

Back 1

1 / cos(x)

Front 2

cos(x)

Back 2

1 / sec(x)

Front 3

csc(x)

Back 3

1 / sin(x)

Front 4

sin(x)

Back 4

1 / csc(x)

Front 5

cot(x)

Back 5

1 / tan(x)

Front 6

tan(x)

Back 6

1 / cot(x)

Front 7

sin^2 ϴ + cos^2 X

Back 7

1

Front 8

1 + cot^2 X

Back 8

csc^2 X

Front 9

tan^2 X + 1

Back 9

sec^2 X

Front 10

sin( PI/2 - ϴ)

Back 10

cosϴ

Front 11

tan( PI/2 - ϴ)

Back 11

cotϴ

Front 12

sec( PI/2 - ϴ)

Back 12

cscϴ