锟斤拷锟斤拷锟斤拷锟矫碉拷锟絋锟斤拷(d锟斤拷o)锟斤拷式锟斤拷锟斤拷锟铰幾組锟斤拷

锟斤拷锟斤拷锟斤拷式一锟斤拷

锟斤拷锟斤拷锟絆(sh锟斤拷)α锟斤拷锟斤拷锟斤拷牵锟斤拷K邊锟斤拷同锟侥角碉拷同一锟斤拷锟角猴拷锟斤拷(sh锟斤拷)锟斤拷值锟斤拷龋锟�

锟斤拷锟斤拷sin(2kπ+α)=sinα (k∈Z)

锟斤拷锟斤拷cos(2kπ+α)=cosα (k∈Z)

锟斤拷锟斤拷tan(2kπ+α)=tanα (k∈Z)

锟斤拷锟斤拷cot(2kπ+α)=cotα (k∈Z)

锟斤拷锟斤拷锟斤拷式锟斤拷锟斤拷

锟斤拷锟斤拷锟絆(sh锟斤拷)α锟斤拷锟斤拷锟斤拷锟�锟斤拷π+α锟斤拷锟斤拷锟角猴拷锟斤拷(sh锟斤拷)值锟絚α锟斤拷锟斤拷锟角猴拷锟斤拷(sh锟斤拷)值之锟絞锟斤拷锟絇(gu锟斤拷n)系锟斤拷

锟斤拷锟斤拷sin(π+α)=-sinα

锟斤拷锟斤拷cos(π+α)=-cosα

锟斤拷锟斤拷tan(π+α)=tanα

锟斤拷锟斤拷cot(π+α)=cotα

锟斤拷锟斤拷锟斤拷式锟斤拷锟斤拷

锟斤拷锟斤拷锟斤拷锟斤拷锟�α锟絚 -α锟斤拷锟斤拷锟角猴拷锟斤拷(sh锟斤拷)值之锟絞锟斤拷锟絇(gu锟斤拷n)系锟斤拷

锟斤拷锟斤拷sin(-α)=-sinα

锟斤拷锟斤拷cos(-α)=cosα

锟斤拷锟斤拷tan(-α)=-tanα

锟斤拷锟斤拷cot(-α)=-cotα

锟斤拷锟斤拷锟斤拷式锟侥ｏ拷

锟斤拷锟斤拷锟斤拷锟矫癸拷式锟斤拷锟酵癸拷式锟斤拷锟斤拷锟皆得碉拷π-α锟絚α锟斤拷锟斤拷锟角猴拷锟斤拷(sh锟斤拷)值之锟絞锟斤拷锟絇(gu锟斤拷n)系锟斤拷

锟斤拷锟斤拷sin(π-α)=sinα

锟斤拷锟斤拷cos(π-α)=-cosα

锟斤拷锟斤拷tan(π-α)=-tanα

锟斤拷锟斤拷cot(π-α)=-cotα

锟斤拷锟斤拷锟斤拷式锟藉：

锟斤拷锟斤拷锟斤拷锟矫癸拷式一锟酵癸拷式锟斤拷锟斤拷锟皆得碉拷2π-α锟絚α锟斤拷锟斤拷锟角猴拷锟斤拷(sh锟斤拷)值之锟絞锟斤拷锟絇(gu锟斤拷n)系锟斤拷

锟斤拷锟斤拷sin(2π-α)=-sinα

锟斤拷锟斤拷cos(2π-α)=cosα

锟斤拷锟斤拷tan(2π-α)=-tanα

锟斤拷锟斤拷cot(2π-α)=-cotα

锟斤拷锟斤拷锟斤拷式锟斤拷锟斤拷

锟斤拷锟斤拷π/2±α锟斤拷3π/2±α锟絚α锟斤拷锟斤拷锟角猴拷锟斤拷(sh锟斤拷)值之锟絞锟斤拷锟絇(gu锟斤拷n)系锟斤拷

锟斤拷锟斤拷sin(π/2+α)=cosα

锟斤拷锟斤拷cos(π/2+α)=-sinα

锟斤拷锟斤拷tan(π/2+α)=-cotα

锟斤拷锟斤拷cot(π/2+α)=-tanα

锟斤拷锟斤拷sin(π/2-α)=cosα

锟斤拷锟斤拷cos(π/2-α)=sinα

锟斤拷锟斤拷tan(π/2-α)=cotα

锟斤拷锟斤拷cot(π/2-α)=tanα

锟斤拷锟斤拷sin(3π/2+α)=-cosα

锟斤拷锟斤拷cos(3π/2+α)=sinα

锟斤拷锟斤拷tan(3π/2+α)=-cotα

锟斤拷锟斤拷cot(3π/2+α)=-tanα

锟斤拷锟斤拷sin(3π/2-α)=-cosα

锟斤拷锟斤拷cos(3π/2-α)=-sinα

锟斤拷锟斤拷tan(3π/2-α)=cotα

锟斤拷锟斤拷cot(3π/2-α)=tanα

锟斤拷锟斤拷(锟斤拷锟斤拷k∈Z)

锟斤拷锟斤拷注锟解：锟斤拷锟斤拷锟絵锟絩(sh锟斤拷)锟斤拷锟斤拷a锟斤拷锟斤拷锟絁锟角侊拷锟斤拷锟斤拷锟斤拷锟絕锟斤拷锟斤拷锟斤拷

锟斤拷锟絇(gu锟斤拷n)锟斤拷锟絔锟斤拷

锟斤拷锟斤拷锟竭匡拷锟斤拷(sh锟斤拷)锟絎(xu锟斤拷)知锟絉锟絚(di锟斤拷n)锟絉锟斤拷

锟斤拷锟铰高匡拷锟結訊锟斤拷锟竭匡拷锟斤拷锟斤拷锟斤拷锟斤拷前锟斤拷(zh锟斤拷n)锟斤拷锟斤拷志愿锟斤拷锟�(b锟斤拷o)锟斤拷锟饺★拷锟�?j锟斤拷n)?sh锟斤拷)锟斤拷锟斤拷

锟竭匡拷锟絩(sh锟斤拷)锟絞锟斤拷锟斤拷全锟斤拷锟斤拷要锟斤拷(ji锟斤拷)锟絚(di锟斤拷n)

锟組锟斤拷"锟竭匡拷锟絎(w锟斤拷ng)"微锟脚癸拷锟斤拷號