The value of \int_0^{\pi }sin ⁡y dy is 2.

Category: QuestionsThe value of \int_0^{\pi }sin ⁡y dy is 2.
Editor">Editor Staff asked 11 months ago

The value of \int_0^{\pi }sin ⁡y dy is 2.
(a) True
(b) False
The question was posed to me in semester exam.
Question is taken from Definite Integral in section Integrals of Mathematics – Class 12
NCERT Solutions for Subject Clas 12 Math Select the correct answer from above options 
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1 Answers
Editor">Editor Staff answered 11 months ago

Correct option is (a) True
Explanation: \int_0^{\pi }sin⁡ y dy = [-cos y]^y0
= – cos π – (- cos 0)
= -(-1)-(-1)
= 2