Question

pre calc question! help! picture attached!!

Answer 1

@dpaInc

Answer 2

do you know the definition of secant (of an angle)?

Answer 3

no

Answer 4

well, actually depending on the textbook you use, this may or may not be the definition:

\(\huge sec\theta=\frac{1}{cos\theta} \)

Answer 5

secant of an angle is just the reciprocal of the cosine of the angle...
so do you know \(\large cos(\frac{3\pi}{2})= \)???

Answer 6

0

Answer 7

good...
so,
\[\huge sec\frac{3\pi}{2}=\frac{1}{cos\frac{3\pi}{2}}=\frac{1}{0}= \]????
please don't say zero..

Answer 8

what's 1/0 ?

Answer 9

stick it in your calculator...
what does it say?

Answer 10

infinityy

Answer 11

ok.... no value... \(\large sec\frac{3\pi}{2}=undefined \)

Answer 12

thank you@

Answer 13

yw...:)