3sec(x)csc(x)=6csc(x)

divide both sides by csc(x)

3sec(x)=6

sec(x)=2

x= pi/3

The two intercepts in the interval (0, 2pi) are x=0 and x=pi/3

x=0 is an intercept because if x=0 then: csc(0)= infinity

making both sides infinity when x=0

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