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Solve the following inequations (i) (s...

Solve the following inequations
`(i) (sinx-2)(2sinx-1) lt 0` `(ii) (2cosx-1)(cosx) le 0`
`(iii) sinx+sqrt(3)cosx ge 1` `(iv) cos^(2)x+sinx le 2`
`(v) tan^(2)x gt 3`

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