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## Main Question or Discussion Point

how can i do this trig identity

ln|sec(theta) + tan(theta| + ln|sec(theta) + tan(theta)| = 0

and this trig equation

4sin(squared)x + 2cos(squared)x = 3

and cos2(theta) + 3 = 5cos(theta)

any help will be appreciated

ln|sec(theta) + tan(theta| + ln|sec(theta) + tan(theta)| = 0

and this trig equation

4sin(squared)x + 2cos(squared)x = 3

and cos2(theta) + 3 = 5cos(theta)

any help will be appreciated