Please prove this and do not send any links please. Thnx for your help. $\mathbf{5}\mathbf{.}Ifa\mathrm{cos}\theta -b\mathrm{sin}\theta =c,provethata\mathrm{sin}\theta +b\mathrm{cos}\theta =\pm \sqrt{{a}^{2}+{b}^{2}+{c}^{2}}$ Share with your friends Share 0 Ankita Agarwal answered this Dear Student, Regards 0 View Full Answer R. Lasyapriya answered this This the question . If you are not able to get the actual question Please . 0