Differentiate 2(tanx)ᶜᵒᵗˣ with respect to x
Correct Answer :
2 csc²x.tanxᶜᵒᵗˣ (1-log(tanx))
Solution :
To differentiate with respect to , we state the correct option clearly:
The correct option is 2 csc²x.tanxᶜᵒᵗˣ (1-log(tanx)).
Let . The original function becomes , which gives:
Taking the natural logarithm on both sides of the equation for :
Using the power property of logarithms, we simplify the right-hand side:
Differentiating both sides with respect to using the product rule:
Recall the differentiation formulas:
and by using the chain rule:
Substitute these derivatives back:
Simplifying the second term:
Now we combine the terms:
Factoring out :
Multiplying by :
Substitute back:
Multiplying by to get the final derivative of :
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