The value of \[\int_{{}}^{{}}{\frac{\sin x}{{{\cos }^{2}}x}\ dx}\] is

1.	The value of \[\int_{{}}^{{}}{\frac{\sin x}{{{\cos }^{2}}x}\ dx}\] is
A.	\[\sin x+k\]
B.	\[\tan x+k\]
C.	\[\sec x+k\]
D.	\[\tan x+\sec x+k\]
Answer» D. \[\tan x+\sec x+k\]

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The value of \[\int_{{}}^{{}}{\frac{\sin x}{{{\cos }^{2}}x}\ dx}\] is

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