1) Log0.33- Log0.310= Log0.30.3=1
2) Sin2x-cos2x=-(cos2x-sin2x)= -cos2x
-cos2x/sin2x= -tg2x
3)52x-1>25
52x-1>5^2
2x-1>2
x>3/2
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2)
3) -
1) Log0.33- Log0.310= Log0.30.3=1
2) Sin2x-cos2x=-(cos2x-sin2x)= -cos2x
-cos2x/sin2x= -tg2x
3)52x-1>25
52x-1>5^2
2x-1>2
x>3/2