2/15 Trigonometric Identities
Homework: page 362 #21-33 odd, #40-56 all
The sollowing identities were covered:
1. Reciprocals- cscX=(1/sinX)
secX=(1/cosX)
2. Quotient Identity- tanX= (sinX/cosX)
cotX= (cosX/sinX)
3. Pythagoreom- cos^2X + sin^2X= 1
1+tan^2X = sec^2X
1+cot^2X = csc^2X
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