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prove-that-sin-npi-0-if-n-Z-

Question Number 131879 by Study last updated on 09/Feb/21 $${prove}\:{that}\:{sin}\left({n}\pi\right)=\mathrm{0}\:\:\:{if}\:\:\:\:{n}\in\mathbb{Z} \\ $$ Answered by physicstutes last updated on 10/Feb/21 $$\mathrm{prove}\:\mathrm{for}\:{n}\:=\:\mathrm{1} \\ $$$$\mathrm{sin}\:\pi\:=\:\mathrm{0} \\ $$$$\mathrm{assume}\:\mathrm{for}\:{n}=\:{k}\:,\:{k}\:\in\mathbb{Z} \\…

what-is-the-magnitude-and-direction-in-degree-of-this-vector-F-3-10-6-i-13-35-10-6-j-a-282-5-0-b-78-5-0-c-82-5-0-d-78-5-0-e-282-5-0-

Question Number 131860 by aurpeyz last updated on 09/Feb/21 $${what}\:{is}\:{the}\:{magnitude}\:{and}\:\: \\ $$$${direction}\left({in}\:{degree}\right)\:{of}\:{this}\:{vector}? \\ $$$${F}=−\mathrm{3}×\mathrm{10}^{−\mathrm{6}} {i}−\mathrm{13}.\mathrm{35}×\mathrm{10}^{−\mathrm{6}} {j} \\ $$$$\left({a}\right)\:\mathrm{282}.\mathrm{5}^{\mathrm{0}} \:\left({b}\right)\mathrm{78}.\mathrm{5}^{\mathrm{0}} \:\left({c}\right)\:\mathrm{82}.\mathrm{5}^{\mathrm{0}} \:\left({d}\right)\mathrm{78}.\mathrm{5}^{\mathrm{0}} \\ $$$$\left({e}\right)\mathrm{282}.\mathrm{5}^{\mathrm{0}} \\ $$…

If-a-and-b-is-root-equation-3-log-3-4x-2-3-4-log-2-x-2-1-49-then-a-b-a-3-b-2-c-1-d-0-e-1-

Question Number 66276 by gunawan last updated on 12/Aug/19 $$\mathrm{If}\:{a}\:\mathrm{and}\:{b}\:\mathrm{is}\:\mathrm{root}\:\mathrm{equation} \\ $$$$\mathrm{3}^{\mathrm{log}_{\mathrm{3}} \left(\mathrm{4x}^{\mathrm{2}} +\mathrm{3}\right)} +\mathrm{4}^{\mathrm{log}_{\mathrm{2}} \left(\mathrm{x}^{\mathrm{2}} −\mathrm{1}\right)} =\mathrm{49} \\ $$$$\mathrm{then} \\ $$$${a}+{b}=.. \\ $$$${a}.\:\mathrm{3} \\…

Question-131751

Question Number 131751 by aurpeyz last updated on 08/Feb/21 Answered by physicstutes last updated on 08/Feb/21 $$\:\mathcal{I}\:=\:\frac{{V}}{\mathcal{R}} \\ $$$$\Rightarrow\:\frac{\mathrm{2}}{\mathrm{10},\mathrm{000}}\:=\:\frac{\mathrm{20}}{\mathcal{R}} \\ $$$$\Rightarrow\:{R}\:=\:\mathrm{100},\mathrm{000}\:\Omega \\ $$ Terms of…