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Question Number 118636 by Algoritm last updated on 18/Oct/20

Commented by TANMAY PANACEA last updated on 18/Oct/20

$$whatisthequestion$$

Commented by Algoritm last updated on 18/Oct/20

$$\mathrm{x}=?$$

Answered by MJS_new last updated on 19/Oct/20

$$x=\frac{\pi }{3}+2\pi n\mathrm{with}n\in \mathbb{Z}$$

Commented by Algoritm last updated on 19/Oct/20

$$\mathrm{solution}\mathrm{sir}\mathrm{please}$$

Commented by MJS_new last updated on 19/Oct/20

$$\mathrm{just}\mathrm{tried}\mathrm{some}\mathrm{values}$$$$\frac{\pi }{6}\mathrm{and}\frac{\pi }{3}\mathrm{seemed}\mathrm{promising}\mathrm{because}$$$$\sin \frac{\pi }{6}=\cos \frac{\pi }{3}=\frac{1}{2}$$$$\sin \frac{\pi }{3}=\cos \frac{\pi }{6}=\frac{\sqrt{3}}{2}$$$$\mathrm{and}\mathrm{we}\mathrm{must}\mathrm{get}\sqrt{3}\mathrm{on}\mathrm{the}\mathrm{RHS}\mathrm{or}\mathrm{cancel}$$$$\sqrt{3}\mathrm{on}\mathrm{the}\mathrm{LHS}$$

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