What is the general solution for cos(a)= 5/13 ,e=sqrt(5*(tan(a)+sec(a))) ?

The general solution for cos(a)= 5/13 ,e=sqrt(5*(tan(a)+sec(a))) is No Solution for a\in\mathbb{R}

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cos(a)= 5/13 ,e=sqrt(5*(tan(a)+sec(a)))

cos (a) = \frac{5}{13}, e = 5 \cdot (tan (a) + sec (a))

No Solution for a \in R

Solution steps

cos (a) = \frac{5}{13}, e = 5 (tan (a) + sec (a))

Apply trig inverse properties

a = arccos (\frac{5}{13}) + 2 πn, a = 2 π - arccos (\frac{5}{13}) + 2 πn

Solutions for the range

e = 5 (tan (a) + sec (a))

No Solution for a \in R

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What is the general solution for cos(a)= 5/13 ,e=sqrt(5*(tan(a)+sec(a))) ?
The general solution for cos(a)= 5/13 ,e=sqrt(5*(tan(a)+sec(a))) is No Solution for a\in\mathbb{R}