Let f(x) = By product rule,= (x + cos x) (1 – sec2 x) + (x – tan x) (1 – sin x)∴ f’(x) = - tan2 x (x + cos x) + (x – tan x) (1 – sin x)

Q. 254.2( 12 Votes )

Find the derivati

Answer :

Let f(x) =

By product rule,

= (x + cos x) (1 – sec² x) + (x – tan x) (1 – sin x)

∴ f’(x) = - tan² x (x + cos x) + (x – tan x) (1 – sin x)

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