Question

sec x =2.5

Answer 1

x= sec^-1 (2.5)
OR x= cos(2.5)
i think so

Answer 2

\(\sec x = 2.5\)

\(\dfrac{1}{\cos x} = 2.5\)

\(\cos x = \dfrac{1}{2.5} \)

\(\cos x = 0.4\)

Answer 3

thats what my answer is

Answer 4

Thanks for tthe help