let a>0 and b>0 calculate ∫ (√(acos^2 θ +bsin^2 θ))dπ 2) find ∫_(π/4) ^(π/2) (√(2cos^2 θ +3 sin^2 θ))dθ .


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Question Number 45520 by maxmathsup by imad last updated on 14/Oct/18

$l e t a > 0 a n d b > 0 c a l c u l a t e \int \sqrt{{a c o s}^{2} θ + {b s i n}^{2} θ} d π$ $2) f i n d \int_{\frac{π}{4}}^{\frac{π}{2}} \sqrt{2 {c o s}^{2} θ + 3 {s i n}^{2} θ} d θ .$
Commented byMeritguide1234 last updated on 14/Oct/18

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