rownanie tryonometryczne 3

[dwdmp]

\(\displaystyle{ sinxcosx= \frac{ \sqrt{3} }{4}}\)

[natkoza]

\(\displaystyle{ sinxcosx=\frac{1}{2}sin2x}\)

[dabros]

\(\displaystyle{ \sin x\cos x=\frac{\sqrt{3}}{4} \\
2\sin x\cos x=\frac{\sqrt{3}}{2} \\
\sin 2x=\frac{\sqrt{3}}{2} \\
2x =\frac{\pi}{3}+2k\pi 2x =\frac{2\pi}{3}+2k\pi}\)