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s-e-b

\(\displaystyle{ \left( \frac{4}{9}\right) ^{2sin ^{2}x }+\left( \frac{2}{3} \right) ^{4cos ^{2}x }= \frac{26}{27}}\)

s-e-b

\(\displaystyle{ |sin ^{4}x-cos ^{4}x| = \frac{1}{2}}\)

s-e-b

\(\displaystyle{ 4 ^{ \frac{sinx}{2} } \cdot 8 ^{ \frac{sin2x}{3} } =2 ^{sin4x}}\)

s-e-b

\(\displaystyle{ sinxsin2xsin3x= \frac{1}{4}sin4x}\)

s-e-b

\(\displaystyle{ sinx-cosx=1}\)

s-e-b

\(\displaystyle{ 4 sin^{4}x+sin ^{2}2x=2}\)

s-e-b

\(\displaystyle{ \frac{cosx}{1-sinx}=1+sinx}\)

s-e-b

\(\displaystyle{ cosx+sinx= \frac{cos2x}{1-sin2x}}\)

s-e-b

\(\displaystyle{ x ^{\log _{5}6 } \ge 6}\)

s-e-b

\(\displaystyle{ log _{x} [log _{2}(4 ^{x}-6)] \le 1}\)

s-e-b

\(\displaystyle{ log _{ \frac{1}{ \sqrt{5} } } (6 ^{x+1} -36 ^{x}) \ge -2}\)

s-e-b

\(\displaystyle{ x ^{2log _{5}6 }-13*6 ^{log _{5}x }+42 \le 0}\)

s-e-b

\(\displaystyle{ log _{1.5}(2x- \sqrt[3]{1.5})= \frac{1}{3}}\)

s-e-b

\(\displaystyle{ 6 ^{x+1}-2 ^{x-1}= 6^{x}}\)

s-e-b

\(\displaystyle{ 3 \cdot 8 ^{x-1}=6 ^{x+1}}\)

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