Answer:
1 + ¼π
Explanation:
∫₀ᵖⁱ'⁴ sec x (sec x + cos x) dx
∫₀ᵖⁱ'⁴ (sec² x + 1) dx
(tan x + x + C)|₀ᵖⁱ'⁴
(tan(¼π) + ¼π + C) − (tan 0 + 0 + C)
1 + ¼π + C − C
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