Let f(x)=1-sin3x3 cos2x ; if x<π2a ; if x=π2b(1-sin x)<mi mathvariant="norm. If f(x) is continuous atfind a and b.

Let $f (x) = \{\begin{matrix} \frac{1 - \sin^{3} x}{3 \cos^{2} x}; i f x < \frac{π}{2} \\ a; i f x = \frac{π}{2} \\ \frac{b (1 - \sin x)}{(<mi mathvariant="norm. If f(x) is continuous at)} \end{matrix}$
find a and b.

Match the items on the right to the items on the left.