Question

Solve the multiple angle equation in the interval (0,2pi).
sec2x=2

Answer 1

not sure if this is correct
anyways sec = 1/sinx
so sec2x = 1/sin2x = 2
now we need to find the points where sin2x = 1/2
now its just plugging into the calculator

Answer 2

sorry about the double post no idea why? if an admin can delete

Answer 3

Okprobably a dumb question but what am I pluggin into the calc?

Answer 4

use arcsin or sin^-1

Answer 5

Oh ok thank you very much!