Page 10 - Formula-All

B. Tech. Semester-I (All Branch) Important Formulas

(B) Trigonometric Functions:

Z
(1) cos x dx = sin x + c

Z Z
sin 5x sin (5x + 3)
cos 5x dx = + c and cos (5x + 3) dx = + c
5 5

Z
(2) sin x dx = − cos x + c

Z
(3) tan x dx = log |sec x| + c

Z
(4) cot x dx = log |sin x| + c

Z
(5) sec x dx = log |sec x + tan x| + c

Z
(6) cosec x dx = log |cosec x − cot x| + c

Z
2
(7) sec x dx = tan x + c

Z
2
(8) cosec x dx = − cot x + c

Mr. Snehal D. Patel (Assistant Professor - Mathematics) Page 7 of 9