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7.TEMATS Trigonometriskie vienādojumi un nevienādības Temata ...

7.TEMATS Trigonometriskie vienādojumi un nevienādības Temata ...

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S k o l ē n a d a r b a l a p aM_11_SP_07_02_P2TRIGONOMETRISKIE VIENĀDOJUMI UN NEVIENĀDĪBASRisinājums <strong>un</strong> atbildes1. uzdevums3x= 3p +2pn, n∈Z2 32333x=± p +2pn, n∈Z33x=– p +pn, n∈Z32x+1=arcctg2+pnx=–1+arcctg2+pn, n∈Z2. uzdevumsx∈ pn; 3p 4+pn , n∈Zn∈∅x∈ 2pn; p 2 +2pn ∪ p +2pn;p+2pn , n∈Z22x∈ – p 2 +pn; p +pn , n∈Z6x∈ – p 4 +pn 2 ; p 12 +pn 2 , n∈Z3. uzdevumscos2x= – 32ctgx=– 32sin(2x+3x)=0sin2x=239

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