If 0 < k < (pi/2) and the area under the curve y = cos x from x = k to x = (pi/2) is 0.1, then k =

A) 1.471

B) 1.414

C) 1.277

D) 1.120

E) 0.436

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- February 22nd 2006, 01:54 PMfrozenflamesCalculus Question
If 0 < k < (pi/2) and the area under the curve y = cos x from x = k to x = (pi/2) is 0.1, then k =

A) 1.471

B) 1.414

C) 1.277

D) 1.120

E) 0.436 - February 22nd 2006, 03:03 PMThePerfectHackerQuote:

Originally Posted by**frozenflames**

Using the fundamental theorem,

Thus,

Thus,

Using the arc sine we get,