Asked by ChyKia
Find the area under the curve given by y=coax from x=0 to x=pi/4 above the x-axis.
Draw a graph with an approximate rectangle (ie cut).
Calculate the area with an integral.
Draw a graph with an approximate rectangle (ie cut).
Calculate the area with an integral.
Answers
Answered by
mathhelper
Area = ∫ cosx dx from 0 to π/4
= [sinx] from 0 to π/4
= sinπ/4 - sin0
= √2/2-0
= √2/2
= [sinx] from 0 to π/4
= sinπ/4 - sin0
= √2/2-0
= √2/2
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