Math, asked by preethamreddy1973, 4 months ago

f (x) = sec 3x then find f'(x)

Answers

Answered by Anonymous

2

Given, f(x)=sec(3x)

We get f ′ (x)=3sec(3x)tan(3x)

Therefore, we get f ′ = (3π/4)=

3 sec (9π/4) tan (9π/4)

3 sec (π/4) tan (π/4)

3×√2×1

3×√2

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