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Д(sh)WĺͲeʽ
ZՕrg^ͬJRһһӣҊRyСģ(sh)WWϣ,gӭxHP֪RՈPעCNFLAWW(wng)!
ͲeʽӛE1
+=磬sina+sinβ=2sin(a+β)/2*cos(a-β)/2
-=玛sina-sinβ=2cos(a+β)/2*sin(a-β)/2
+=cosa+cosβ=2cos(a+β)/2*cos(a-β)/2
-=ؓɩɩcosa-cosβ=-2sin(a+β)/2*sin(a-β)/2
(֮Ȼ)
ͲeʽӛE2
sina+sinβ=2sin(a+β)/2*cos(a-β)/2
wsina-sinβ=2cos(a+β)/2*sin(a-β)/2
һɫcosa+cosβ=2cos(a+β)/2*cos(a-β)/2
졣cosa-cosβ=-2sin(a+β)/2*sin(a-β)/2
ͲeʽӛE3
ڿ֮Կڿڣsina+sinβ=2sin(a+β)/2*cos(a-β)/2
ِِِ֮sina-sinβ=2cos(a+β)/2*sin(a-β)/2
ڿِِ֮ؓcosa+cosβ=2cos(a+β)/2*cos(a-β)/2
ِِِ֮cosa-cosβ=-2sin(a+β)/2*sin(a-β)/2
ͲeʽӛE4
Ҽǰsina+sinβ=2sin(a+β)/2*cos(a-β)/2
Ҝpǰ棬sina-sinβ=2cos(a+β)/2*sin(a-β)/2
ҼȫҊcosa+cosβ=2cos(a+β)/2*cos(a-β)/2
Ҝpң(ؓ)Ҋcosa-cosβ=-2sin(a+β)/2*sin(a-β)/2
עǶ(a+β)/2ǰ(a-β)/2ںĘ˜ʽ
ͲeʽӛE5
ǰsina+sinβ=2sin(a+β)/2*cos(a-β)/2
pǰsina-sinβ=2cos(a+β)/2*sin(a-β)/2
࣬ಢcosa+cosβ=2cos(a+β)/2*cos(a-β)/2
pؓcosa-cosβ=-2sin(a+β)/2*sin(a-β)/2
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