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Question
Choose the correct alternative:
`int sin^2x "d"x` is
Options
`(- 3)/4 cos x - (cos3x)/12 + "c"`
`3/4 cos x + (cos3x)/12 + "c"`
`(- 3)/4 cos x + (cos3x)/12 + "c"`
`(- 3)/4 sin x - (sin3x)/12 + "c"`
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Solution
`(- 3)/4 cos x + (cos3x)/12 + "c"`
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