Respuesta :

Bullud
Can you go more into the question can you analyze it better so i can get a better understanding for what the question is saying.
2cos θ = sec θ = 1/cos θ
2cos^2 θ = 1
cos^2 θ = 1/2
cos θ = sqrt(1/2)
θ = arccos (sqrt(1/2)) = 45°
θ = 45°