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

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

myininayaBest 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?
 4 months ago

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

myininayaBest ResponseYou've already chosen the best response.1
dw:1387147008713:dw
 4 months ago

myininayaBest ResponseYou've already chosen the best response.1
you want to find the evaluate two integrals for this problem.
 4 months ago

myininayaBest 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
 4 months ago

myininayaBest 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
 4 months ago

cptBest ResponseYou've already chosen the best response.0
Alright. I got it thanks :D
 4 months ago
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