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Chapter 13 Limits and Derivatives Ex 13.2 Solutions

Question - 11 : -
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) 3 cot x + 5 cosec x
(vi) 5 sin x – 6 cos x + 7
(vii) 2 tan x – 7 sec x

Answer - 11 : -

(i) sin x cos x


(ii) sec x


(iii) 5 sec x + 4 cos x


(iv) cosec x


(v) 3 cot x + 5 cosec x


(vi)5 sin x – 6 cos x + 7


(vii) 2 tan x – 7 sec x

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