設f(α)=sinnα+cosnα,n∈{n|n=2k,k∈N*}(1)分別求f(α)在n=2,4,6時的值域...
問題詳情：設f(α)=sinnα+cosnα,n∈{n|n=2k,k∈N*}(1)分別求f(α)在n=2,4,6時的值域;(2)根據(1)中的結論,對n=2k(k∈N*)時,f(α)的取值範圍作出一個猜想(只需寫出猜想,不必*).【回答】:(1)當n=2時,f(α)=sin2α+cos2...
用“Sinn”造句大全，Sinn造句
HowmanyNorthernIrelandProtestantsvoteforSinnFein?SinnFeinhasevidentlycalculatedthatthisriskisworthtaking.DuringthevisithepromisedtopushSinnFeintomakeconcretepositivedecisions.ProvokedaspatwithSinnFein...