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RB_2023
HSC - উচ্চতর গণিত ১ম পত্র
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অধ্যায়-১০ঃ যোগজীকরণ
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All Topics
∫
0
π
2
cos
x
d
x
=
?
\large {\mathrm {\int_{0}^{\frac{\pi}{2}} \cos x ~d x} = ?}
∫
0
2
π
cos
x
dx
=
?
A.
0
B.
1
C.
-1
D.
∞
\infty
∞
Guide Answer
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