Question Number 64269 by Chi Mes Try last updated on 16/Jul/19
![∫_(−π) ^π [cos px−sin qx]^2 dx, where p, q are integers is equal to](Q64269.png)
$$\underset{−\pi} {\overset{\pi} {\int}}\:\left[\mathrm{cos}\:{px}−\mathrm{sin}\:{qx}\right]^{\mathrm{2}} {dx},\:\mathrm{where}\:{p},\:{q}\:\mathrm{are}\: \\ $$$$\mathrm{integers}\:\mathrm{is}\:\mathrm{equal}\:\mathrm{to} \\ $$
Answered by Tanmay chaudhury last updated on 16/Jul/19
![[.] is it gelreatest integer function...](Q64325.png)
$$\left[.\right]\:{is}\:{it}\:{gelreatest}\:{integer}\:{function}... \\ $$