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# Evaluale Ihe expressionsin 2120'_ cos 2120"gin 2120 cos 2 120" (Simplify your answer; Including any radicals Use inlegers or fractons...

## Question

###### Evaluale Ihe expressionsin 2120'_ cos 2120"gin 2120 cos 2 120" (Simplify your answer; Including any radicals Use inlegers or fractons

Evaluale Ihe expression sin 2120'_ cos 2120" gin 2120 cos 2 120" (Simplify your answer; Including any radicals Use inlegers or fractons  #### Similar Solved Questions

##### A conical paper cup of height 3 inches and diameter 2 inches is being filled with water at a rate of 0.5 cubic inches per second_ How quickly is the height of the water in the cup rising when the cup is half full?
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##### Question 4the magnitud of an carthquake relaied to the dcpth Iclou Ihe suraCc which tkx quuke occun " La the mgnitudr ofan canhquake (on thc Richtar scale}. and Iet y 5 tk &pth (in kilomeders} of Ihe quake below the surlace 21 th cnicenicr Suppase nndomamcic einthqutes ZtcInc follou Ing Inforitton.3.4010.810}Wnu the ine Ihilpee Milecla #rc tcllerLuTInFtenbelouSulecion6
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##### Nccor incimo:ncaina niormatonnciantrFEpan MncctemsSaFKmec= AtunHeari764JudodeiEnlatenr-ldcicz IriccGnntharee ova ~arrraximately 95%narulatlor MonntslnttSaWcricnmer[ul-it957*"Il Jeiduclaje lic UlilGvine#oin*iJiCuMcecili #Ilc e ceiYBl -4ibdudiakcumlLeWeale UaMMEJur Ein*MKuCumtaSnratJiven Ir-cna-IchIneOntGit ninMnteJpcpulatiznzinniUto Jord 20-WJncicnn"polncscSIc MuUalmcWcdMe Cn#MJeuam [email protected] Olt4ce KK~octtai datsthatCinre tharWimarhccta: JatesAacer~nlnne LamanVoctna
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##### And add the washing to the liquid above SOLUIION: Bi Cu Cd Add NHOH (15 M) drop wise until basic to litmus A blue color indicates copper, white flocculent ppt_ indicates bismuth. Centrifuge. PRECIPITATE: PbSOs (white) Add 3 drops Add SOLUTION: Cu(NH;) (blue); NHC,H,Oz t0 the ppt . Stir thoroughly: Cd(NHy) Concentrate to about mL (a) drop KzCrOa Formation of a yellow ppt: To 4 drops of this solution add 6 M HCI until confirms lead . acid, then 2 drops of KFe(CN) A red ppt. CuFe(CN) confirms coppe
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