A) \[\sec x\tan x\]
B) \[\sec {{x}^{o}}\tan {{x}^{o}}\]
C) \[\frac{\pi }{180}\sec {{x}^{o}}\tan {{x}^{o}}\]
D) \[\frac{180}{\pi }\sec {{x}^{o}}\tan {{x}^{o}}\]
Correct Answer: C
Solution :
As\[{{x}^{0}}=\frac{\pi x}{180}\]radian.
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