# Type 3 Lecture 5 Integrals Class 12 Maths

## Part - 3 Lecture - 5 Chapter 7 Integrals

“It’s not whether you get knocked down, it’s whether you get up.”

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HOTS Questions discussed in this video:

8. $$\int\frac{1}{\sqrt{{\cos}^3{x}.\cos{(}x+a)}}dx=-2\cosec{a}\sqrt{\cos{a}-\tan{x}.\sin{a}}+C$$

9. $$\int\frac{1}{\sqrt{{\sin}^3{x}\sin{(}x+\alpha)}}dx=\frac{-2}{\sin{\alpha}}\sqrt{\frac{\sin{(}x+\alpha)}{\sin{x}}}+C$$