作者:Kaitlyn Walls 12 年以前
573
Trig Mind Map 2
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