Answer:7574649275658473849575629375844
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Step-by-step explanation:
Answer:
1 is the only available answer that is a perfect square.
cos(71)
Since 19° is less than 90, we can express this in terms of confunction.
sin(θ) = cos(90-θ)
sin(19) = cos(90-19)
sin(19) = cos(71)
$323.33 Step-by-step explanation:
Plug -2 in for x of f(x)
--> -2^4 + 2(-2)^2 - 1
---> 23
f(-2) = 23
