Physics, asked by shanayakapoor97, 10 months ago

14.
The slope of the tangent to the curve
y = In (cosx) at x = 3π/4 is
(1)1 (2)-1 (3) ln√2 (4) 1/√2

Answers

Answered by Kush13967

8

Answer:

(a) 1

Explanation:

dy/dx of ln(cosx)

=(1/cosx)×(-sinx)

=-tanx

=-tan135°

=cot45°

=1

hope this will help you

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