Answer:
$13.50
$750
Step-by-step explanation:
Answer:
6 i think
Step-by-step explanation:
(n^-3)^6=n^-18=1/n^18
the answer is D
By definition
... sec(θ) = 1/cos(θ) . . . . trig identity
... sec(θ) = 1/(9/10) . . . . substitute the given value, then simplify to ...
... sec(θ) = 10/9