Asked by Help

Determine the least positive value of t for which d=0.
d=cos((3pi/4)(t))
0=cos((3pi/4)(t))
I got stuck on this step
Please help
Answered by David
Cosine is 0 at pi/2

3pi/4*t=pi/2

t=2/3
There are no AI answers yet. The ability to request AI answers is coming soon!