nz-1+tan2-\r222\r2tan-a_lr-t+anz2-a_i\r891+tan211+tan2^2,\r22\r89tan21+4tan^-3=0,\r{Dn<a<2n,89n,\r89tan<0,\r89tan^=-2-V7,\ra\r2tan-_2x(-2-V7)_4-V7\r89tan2\r1-tan^1-(-2-77)23\r17.%&vwf(x)=2sin(+x)cos(:-x)T.\r(1)øvwf(x)¡ü°ýþ;\r(2)0@Pg(x)=f(x)-2V3cos2x,@Pg(x).\r@Pf(x)=2sin(+x)cos(^-x)-l=2cos2(:-x)T=cos[2,(-\rx)]=sin2x,EvaluationWarning:ThedocumentwascreatedwithSpire.PDFfor.NET.\r()@Pf(x)*+,-./0=1.\r(2)g(x)=f(x)-2V3cos-x=sin2x-\/3(2cos2x-1)~y/3=sin2x-\rV3cos2x-V3\r=2sin(2x--)-V3,\r52kJi--^2x--^2kJt+-,k9Z,\r232\r;k<-0WxWknr+?,k9Z,\r1212\r()@Pg(x)/@kA*Cm+EFkF\rC-./\r18.HIFJ0LxM,NMOP/A,PC,BTJ0U,VPCW\rXYZ[\FPB]^/_`ab,ZAOC=a.0|BC|=1,fgcos??-\rsin^cosiZ/j/.\rklmn;|OB|=|OC|=1BC|=1,op4OBC/Er0stF()\rsinNA0B=sinv-a)*()bcosx-sin0osyz8{Z\rsinaV31.5\r=-sina+?cos\r222213\r|}~