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Good evening dosto plz iska answer jaldi dedo​

Answer 1

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$( \cos(x) + \sec(x)) = \frac{5}{2} \\ ( { \cos(x) }^{2} + { \sec(x) }^{2} = (\cos(x) + \sec(x) ) {}^{2} \\ (\cos(x) + \sec(x) {}^{2} = ( \frac{5}{2} ) {}^{2} = \frac{25}{4}$

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