<prompt> Pata thamani ya x kati ya 0 na 180 hivyotan 120circ - xcirc fracsin 120circ - sin xcirccos 120circ - cos xcirc.  <response>: Kutoka kwa fomula ya jumla kwa bidhaa,dhambi 120circ - sin xcirc 2 sin frac120circ - xcirc2 cos frac120circ xcirc 2nacos 120circ - cos xcirc -2 sin frac120circ xcirc2 sin frac120circ - xcirc 2,hivyoanzaaligntan 120circ - xcirc fracsin 120circ - sin xcirccos 120circ - cos xcirc frac2 sin frac120circ - xcirc2 cos frac120circ xcirc2-2 sin frac 120circ xcirc2 sin frac120circ - xcirc2 -fraccos frac120circ xcirc2sin frac120circ xcirc2 -cot kushoto frac120circ xcirc2 kulia.mwishoalignKishaanzaalign-cot kushoto frac120circ xcirc2 kulia -tan left 90circ - frac120circ xcirc 2 kulia -tan kushoto frac60circ - xcirc2 kulia tan kushoto fracxcirc - 60circ2 kulia.mwishoalignHivyo,120circ - xcirc - fracxcirc - 60circ2 180circ nkwa kiasi kamili n. Kutatua, tunapatax 100 - 120n.Kwa kuwa 0 x 180, x 100. 