\( \int \sqrt{1+\cos x} d x \) equals....

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Question \( \int \sqrt{1+\cos x} d x \) equals
(A) \( 2 \sqrt{2} \sin \frac{x}{2}+c \)
(B) \( -2 \sqrt{2} \sin \frac{x}{2}+c \)
(C) \( -2 \sqrt{2} \cos \frac{x}{2}+c \)
(D) \( 2 \sqrt{2} \cos \frac{x}{2}+c \)📲PW App Link - https://bit.ly/YTAI_PWAP 🌐PW Website - https://www.pw.live



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