QuestionReportMathematics Question on Trigonometric IdentitiesIf 0≤x≤π0 \leq x \leq \pi0≤x≤π and +81sin2x+81Cos2x=3081^{sin^2x}+81^{Cos^2x}=3081sin2x+81Cos2x=30 then x=x=x=Aπ6\frac {\pi}{6}6πBπ2\frac {\pi}{2}2πCπ4\frac {\pi}{4}4πD3π4\frac {3\pi}{4}43πAnswerπ6\frac {\pi}{6}6πExplanationSolutionAnswer (a) π6\frac {\pi}{6}6π