Answer:
Step-by-step explanation:
Answer:
Part I: cot(15 degrees) = cot(45 - 30)
Part II: Evaluation is below
Step-by-step explanation:
<em>Everything is done in degrees</em>
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Two angles that differ by 15 degrees that is easy to evaluate is 30 degrees and 45 degrees. The cot(15 degrees) = cot(45 - 30) = 1/tan(45-30) = (1+tan45tan30)/(tan30 - tan45) = (1+ sqrt(3))/(sqrt(3) - 1)
We rationalize this by multiplying 1+ sqrt(3) in the top and bottom, getting:
(4 + 2sqrt(3))/2 = 2 + sqrt(3)
I hope this helps! :)
C) Y=-x where y(2) is the opposite of of x(-2)
Answer:
the slope is infinite or undefined
Step-by-step explanation:
y2-y1/x2-x1=3/0
Answer:
i dont know what unit rates are but this i how i solve it
Step-by-step explanation:
let x be the amount of $ she spends on each attendee
86x=258 Divide both sides by 86
x=3 she spends $3 on each attendee
%528 divided by $3= 176 attendees
