a ripple tank demontrates the effect of two water waves being adfed together.the two waves are described by h=8 cost and h=6 sint, where belongs to 0,2π is in seconds and h is the height in millimeters above still water.find the max height.
Answers
Answered by
0
"(A) m (mn2) 1/3 – n (nm2) 1/3 = 1
(B) m (m2n) 1/3 – n (mn2) 1/3 = 1
(C) n (mn2) 1/3 – m (nm2) 1/3 = 1
(D) n (mn2) 1/3 – m (mn2) 1/3 = 1
= (cos66cos6-sin6sin66) / (cos69cos39-sin39sin69) {using fourmula of sin(90- 0}
= cos(66+6) / cos(69+39) {using fourmula of cos(c+d)}
= cos72 / cos108
= -1
"
Similar questions