Question

(a) For each of the following functions, determine its period and enter the value into the box. The values must be exact, using fractions, Pi if needed. |f1 (t) = sin - (ot); f2 (t) = cos( 9t): f3 (t) = sin (ut #t) + cos s(3 *t)

Answer 1

ANSWERS 181 Na 42 vi filt) = sinon) il falt) Wit) Vis alt) = sin(at) tuos (xt) DETAILS, If perriod of ft) flat) 등 period 7 ft)=sint is .:. period I filt) = sin ft) is T then period T wha a>O 2 is 20 je 185 ZN - wsaat 21 2 vji) period of fft)=wost period of feart) is 증 ² Perriol & fatt) za (ii) period & sint i period of sinet =7 Also period of wst i period 7 oso osa period 7 fragtgra) is LEM A periode af & Bk = and go :: pergjed 4 soin ett) two 766 = 42