CHAPTER 4. TRIGONOMETRY
- fåîÉêëÉ=`çí~åÖÉåí=cìåÅíáçå==
ó=~êÅÅçíñI=−∞≤ñ≤∞I=MK=<~êÅÅçíñ<π
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Figure 69.
=
- fåîÉêëÉ=pÉÅ~åí=cìåÅíáçå==
( ][ ) I K
O O
ó ~êÅëÉÅ=ñI ñ I N NI I~êÅëÉÅñ MI
π
π
∪
π
= ∈−∞− ∪ ∞ ∈
=
Figure 70.
CHAPTER 4. TRIGONOMETRY
Figure 69.
=
( ][ ) I K
O O
ó ~êÅëÉÅ=ñI ñ I N NI I~êÅëÉÅñ MI
π
π
∪
π
= ∈−∞− ∪ ∞ ∈
Figure 70.