Answer:
20 - 45 is your equation
Step-by-step explanation:
It is starting from 20 and going down 40 times.
r = 10/ sin (0) - cos (0)
(√10 +2√8)(√10 -2√8)=
(10 -8√5 + 8√5 -32)
10+0-32
10-32
= -22
Hope this helps.
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