1.

Find thederivative of the following functions:(i) sin xcos x (ii) sec x (iii) 5 sec x + 4 cos x(iv) cosecx (v) 3cot x + 5cosec x(vi) 5sinx – 6cos x + 7 (vii) 2tan x – 7sec x

Answer»

Find the
derivative of the following functions:



(i) sin x
cos x (ii) sec x (iii) 5 sec x + 4 cos x


(iv) cosec
x (v) 3cot x + 5cosec x


(vi) 5sin
x – 6cos x + 7 (vii) 2tan x – 7sec x



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