SecA-tanA/secA+ tanA = ( secA-tanA)^2
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The expression for the area of the shaded region is s^2 - pir^2
<h3>Area of composite figure</h3>The formula for calculating the area of the shaded part in the given equation is expressed as:
Area area of square. - area of circle
Since
Area of square = s^2
Area of circle = pir^2
substitute
Area of shaded part = s^2 - pir^2
Hence the expression for the area of the shaded region is s^2 - pir^2
Learn more on area of composite shape here: brainly.com/question/8370446
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