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cpt
Group Title
Find the area between the curve y = cos(x)
and the xaxis from x = 1 to x = 2 radians.
 11 months ago
 11 months ago
cpt Group Title
Find the area between the curve y = cos(x) and the xaxis from x = 1 to x = 2 radians.
 11 months ago
 11 months ago

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myininaya Group TitleBest ResponseYou've already chosen the best response.1
so is the curve all above the xaxis from x=1 to x=2?
 11 months ago

myininaya Group TitleBest ResponseYou've already chosen the best response.1
Let's think about this. 1 is in between pi/4 and pi/3 2 is less than pi dw:1387146930400:dw But from pi/4 to pi cos isn't always positive, is it?
 11 months ago

myininaya Group TitleBest ResponseYou've already chosen the best response.1
In fact it switches from positive to zero when we get to pi/2
 11 months ago

myininaya Group TitleBest ResponseYou've already chosen the best response.1
dw:1387147008713:dw
 11 months ago

myininaya Group TitleBest ResponseYou've already chosen the best response.1
you want to find the evaluate two integrals for this problem.
 11 months ago

myininaya Group TitleBest ResponseYou've already chosen the best response.1
One will be from 1 to pi/2 the other will be from pi/2 to 2
 11 months ago

myininaya Group TitleBest ResponseYou've already chosen the best response.1
take the absoluste value of the second integal because it will result in a negative number since it is all under the xaxis there
 11 months ago

myininaya Group TitleBest ResponseYou've already chosen the best response.1
I will back later.
 11 months ago

cpt Group TitleBest ResponseYou've already chosen the best response.0
Alright. I got it thanks :D
 11 months ago
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