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Plz help me integrate this..thank u |
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Answer» y=4cosx^2+secx^2+4cosx×secx Step-by-step explanation: by USING identity ( a+b)^2=a^2+2ab+b^2. y=(2COSX + SEX)^2 =. (2cosx)^2+2×2cosx × secx × (secx)^2. y= 4cosx^2 + 4cosx×secx + secx^2 |
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