Question

Differentiate with respect to x ;f(x) = tanx

sec^2x
cosec^2x
2x^2−2
cos^2x

Answer 1

Answer on Question #47080 – Math – Differential Calculus | Equations

Question. Differentiate with respect to $x$, $f(x) = \tan x$

a) $(\sec x)^2$

b) $(\csc x)^2$

c) $2x^{2} - 2$

d) $(\cos x)^2$

Solution. $(\tan x) / \frac{1}{(\cos x)^2} = (\sec x)^2$

Answer. a) $(\sec x)^2$

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