Algebra II Honors Unit 7: Trig A

Sin =

Csc

Cos =

Sec

Tan =

Cot

Csc =

Sin

Sec =

Cos

Cot =

Tan

Reciprocal of Sin

1/Csc

Reciprocal of Cos

1/Sec

Reciprocal of Tan

1/Cot

Reciprocal of Csc

1/Sin

Reciprocal of Sec

1/Cos

Reciprocal of Cot

1/Tan

Tan0=

Sin0/Cos0

Cot0=

Cos0/Sin0

Main Pythagorean Identities

Cos² 0 + Sin² 0 = 1

Cos² 0 + Sin² 0 = 1 (Main Pythag Identity) Divided by Cos² 0

1 + Tan² 0 = Sec² 0

Cos² 0 + Sin² 0 = 1 (Main Pythag Identity) Divided by Sin² 0

Cot² 0 + 1 = Csc² 0

Co-function of Sin 30^o

Cos60^o

Co-function of Sin 60^o

Cos 30^o

Co-function of Tan 30^o

Cot 60^o

Co-function of Cot 60^o

Tan 30^o

Co-function of Sec 30^o

Csc 60^o

Co-function of Csc 60^o

Sec 30^o