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The expression (tan(x-(pi)/(2)).cos((3...

The expression
`(tan(x-(pi)/(2)).cos((3pi)/(2)+x)-sin^(3)((7pi)/(2)-x))/(cos(x-(pi)/(2)).tan((3pi)/(2)+x))`simplifies to

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ALLEN-TRIGONOMETRIC RATIOS AND IDENTITIES-All Questions
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  3. The expression (tan(x-(pi)/(2)).cos((3pi)/(2)+x)-sin^(3)((7pi)/(2)-x...

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