Can someone explain to me how they turn the first line in the highlighted to the second line? | Mathematics | Page 1

topaz harbor Sep 27, 2023, 12:04 AM

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cerulean daggerBOT Sep 27, 2023, 12:04 AM

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jovial obsidian Sep 27, 2023, 1:29 AM

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They find the integral directly. Take that /2 out of the integral if you want. You're left with 1+cos2ø

#Can someone explain to me how they turn the first line in the highlighted to the second line?