Noon Academy
contexto.140
2 years ago
Use king theorem of definite integral
Adding equation (1) and (2)
![\[y=\int _{0}^{\pi /2}\frac{\sin \left( \frac{\pi }{2}-x \right)}{\sin \left( \frac{\pi }{2}-x \right)+\cos \left( \frac{\pi }{2}-x \right)}dx\]](https://www.learnatnoon.com/s/wp-content/ql-cache/quicklatex.com-d7dbea54f2e62d142d5b3ac35a11f988_l3.png "Rendered by QuickLaTeX.com")
![\[y=\int _{0}^{\pi /2}\frac{\cos x}{\sin x+\cos x}dx.....(2)\]](https://www.learnatnoon.com/s/wp-content/ql-cache/quicklatex.com-133b0b4e1f9d65494c5abe53b6367278_l3.png "Rendered by QuickLaTeX.com")
