Ex 7.1, 18 - Integrate sec x (sec x + tan x) dx - Using Trignometric Formulaes

  1. Class 12
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Ex 7.1, 18 ﷮﷮ sec﷮𝑥﷯( sec﷮𝑥+ tan﷮𝑥﷯﷯)﷯dx ﷮﷮ sec﷮𝑥﷯( sec﷮𝑥+ tan﷮𝑥﷯﷯)﷯𝑑𝑥 = ﷮﷮ ( sec﷮2﷯﷮𝑥+ sec x tan﷮𝑥﷯﷯)﷯𝑑𝑥 = ﷮﷮ sec﷮2﷯ 𝑥 𝑑𝑥+ ﷯ ﷮﷮ sec 𝑥 tan﷮𝑥﷯﷯﷯𝑑𝑥 = 𝐭𝐚𝐧﷮𝒙﷯+ 𝐬𝐞𝐜﷮𝒙﷯+𝑪

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