Question

find dy/dx if y=1-cosx/1+cosx​

Answer 1

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Answer 2

Answer:

(sinx)/2

Step-by-step explanation:

We know that,

y=1-cosx/1+cosx

y=2sin^2x/2/2cos^2x/2

y=tan^2x/2

dy/dx=(2tanx/2)(sec^2x/2)/2

=tanx/2.cos^2x/2

=(sinx)/2