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ser-zykov [4K]
3 years ago
12

Integral of of sin x/cosˆ2 x

Mathematics
1 answer:
marin [14]3 years ago
7 0

Answer:

\sec x + c

Step-by-step explanation:

\int \frac{ \sin \: x}{ { \cos}^{2}x }  \: dx \\  \\  =  \int \frac{ \sin \: x}{ { \cos}x } . \frac{ 1}{ { \cos}x } \: dx \\  \\  =  \int  \tan x . \sec  x \: dx \\  \\  =  \sec x + c

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