What is the derivative of tan(x)
- sec²(x)
- cos²(x)
- sin(x)/cos(x)
- -sec²(x)
Explanation
The derivative of tan(x) is sec²(x).
This can be found by rewriting tan(x) as sin(x)/cos(x) and applying the quotient rule,
Which results in sec²(x) after using the Pythagorean identity 1 + tan²(x) = sec²(x).
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