InterviewSolution
`X"cos"(PI)/4+y"SIN"(pi)/4=1``x"cos"(3pi)/4+y"sin"(3pi)/4=1``x"cos"(5pi)/4+y"sin"(5pi)/4=1``x"cos"(7pi)/4+y"sin"(7pi)/4=1`
Your experience on this site will be improved by allowing cookies. Read Cookie Policy