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Byju's Answer
Standard X
Mathematics
Trigonometric Ratio(sin,cos,tan)
what is the i...
Question
what is the integration of tan x ?
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Solution
Let
I
=
∫
tan
x
dx
=
∫
sinx
cosx
dx
put
cos
x
=
t
⇒
-
sinx
dx
=
dt
⇒
sinx
dx
=
-
dt
so
,
I
=
-
∫
dt
t
=
-
log
t
+
C
=
-
log
cos
x
+
C
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