Allen Chou => YSITD: r(theta) = ...... 找 r(t1) = r(t2), t1 = t2 + n* 2pi 和 r(t1) = -r(t2), t1 = t2 + (2n+1) * pi #5e7e497c2efe4b03696af7d5

Allen Chou says to YSITD

r(theta) = ...... 找 r(t1) = r(t2), t1 = t2 + n* 2pi 和 r(t1) = -r(t2), t1 = t2 + (2n+1) * pi

at Sat, Mar 28, 2020 2:44 AM