# How do you find by the method of summation the value of the integral os sin(x) and cos(x)?

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Integration as the limit of a sum (II)

Find by the method of summation the value of:

a) The integral (from 0 to 1/2*pi) of sin(x).

b) The integral (from a to b) of cos (theta).

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Integration as the limit of a sum (II)

Written by :- Thokchom Sarojkumar Sinha

Find by the method of summation the value of:-

(1/2)π b

(a) ∫ sin x dx (b) ∫ cos θ dθ

0 a

(1/2)π n-1

Solution :- (a) ∫ sin x dx = Lt h ∑ sin (rh) , where nh = (1/2)π - 0 = (1/2)π

0 ...

###### Education

- BSc, Manipur University
- MSc, Kanpur University

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