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Question

The area bounded by the curve y=cosx, x-axis between the ordinates x=0,x=2π is:

A
1 sq. unit
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B
4 sq. units
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C
23 sq, units
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D
2 sq. units
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Solution

The correct option is C 4 sq. units

Given y=cosx

Required Area=2π0cosxdx
=4π/20cosxdx
=4sinx|π/20=4[sinπ2sin0]

=4[10]
=4 sq.units

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