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Determine the value of ??20(?2cosx)dx
Question 1
Report
Determine the value of
?
?
2
0
(
?
2
c
o
s
x
)
d
x
-2
-
1
/
2
-3
-
3
/
2
Answer Details
∫
π
2
0
(
−
2
c
o
s
x
)
d
x
=
[
−
2
s
i
n
x
+
c
]
π
2
0
=
(
−
2
s
i
n
π
2
+
c
+
2
s
i
n
0
−
c
)
=
−
2
s
i
n
90
+
c
+
2
s
i
n
0
−
c
=
−
2
(
1
)
+
2
(
0
)
=
−
2
Read lesson note on Introductory Calculus (WAEC)
Read lesson note on Trigonometry (JAMB)
Introductory Calculus
Trigonometry
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