7 inat applies, and so we are assured has at least one zero Sin ßx such that MTI << < (n+1) π) 21=94 A A in particular X 20 ') a zero both SinAX and Sin ßx. B-X. swhile The next zero of SnAx the next zero of E and clearly T 8 m B x IL A B. Th. 7 inat applies, and so we are assured has at least one zero Sin ßx such that MTI << < (n+1) π) 21=94 A A in particular X 20 ') a zero both SinAX and Sin ßx. B-X. swhile The next zero of SnAx the next zero of E and clearly T 8 m B x IL A B.