Question

(w) 5 1 tºsin x
dx
1 + sinx
= tanx - secx + c
arries
11.
dx
1 - cosx
-(cosecx + cotx) + c
marks
12.
+ c
(vii)
cosx dx
1 + sinx
2.
13.
tc
(vi) Si
2 sin + cos
(viii) ſ sin 7x cos 3x dx =-
[z. cos 10x + cos2x]
(ix) Sco
(x) Sco
cos 11x + c
17x sin 3x dx = -sin 4x - sin 10x+c
cos 2x cos 4x dx =
sin 6x
12
sin 2x
4
+ c
(CBSEY
cos 7xsin 4x dx
cos3x-2
[CBSEY
6
I sin
(i) The slone of a curve at (x, y) is 2x +1. If the aum​

Answer 1

sorry dear mujhe pata nhi h..... :(

APOLOGY.......

Answer 2

ANSWER

⇒

(sinx+cosx)+

sinx+ cosx+ tanx+ cotx+ secx+ cosecx= 7

( cosxsinx+ sinxcosx)+( cosx1+ sinx1)

=

7

(sinx+cosx)+(sinxcosx1)+(sinxcosxsinx+cosx)

=7

⇒(sinx+cosx)

(1+ sin2x2)

=7−sin2x2

(1+sin2x) (1+ sin 24+sin2x4)

=49+sin 24−sin2x28

⇒sin 3

44sin2

2x+36sin2x=0

⇒sin 2

44sin2x+36=0

⇒sin 2

22−87

⇒a=22;

b=8

(a,b)

=(22,8)