Trig Mind Map 2

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Trigonometric Identities

Quotient Identities

cot u= cos u/sin u

tan u= sin u/cos u

Recipricoal Identities

Tan u=1/cot u

cot u=1/tan u

Cos u=1/sec u

sec u= 1/cos u

Sin u= 1/csc u

csc u= 1/sin u

Even-Odd Identities

cos (-u)= cos u

cot (-u)= cot u

csu (-u)= -csc u

tan (-u)= tan u

sin (-u)= -sin u

sec (-u)= sec u