Question

how to find integral..with all steps and formulas ...its urgent..

Answer 1

$∫ {cos}^{2} t \: dt + ∫ {sin}^{2} t \: dt \\ ∫ ({cos}^{2} t + {sin}^{2} t)dt \\ ∫dt \\ t \\ putting \: limits \\ 2\pi - 0 \\ = 2\pi$
2π Answer.✔️✔️✔️