Question

why is
9sin(pi/3)= 9sqrt3/2
and
3tan(pi/4)=3
and
2 sec(pi/3)=4
and
5 cos(pi/4)= 5sqrt2

how would i figure these out?

Answer 1

try using the unit circle

Answer 2

how would i memorize all of that

Answer 3

Continuously draw the unit circle?

Answer 4

lol

Answer 5

That's how it works for martial arts, biology and combat situations :|

Answer 6

do they have unit circle for tan and sec?

Answer 7

eh...leemme check.

Answer 8

here's what it says in my book

Answer 9

That suffice?