CHAPTER : INTEGRALS

NCERT SOLUTIONS : EXCERCISE : 7.3 : QUE 21

The que is solved in quite a lengthy way, cant it just be solved using :

cosx = sin( 90-x).. ?? Please do tell ??

Question

CHAPTER : INTEGRALS
NCERT SOLUTIONS : EXCERCISE : 7 3 : QUE 21
The que is solved in quite a lengthy way, cant it just be solved
using :
cosx = sin( 90-x) ?? Please do tell ??

Manbar Singh · Accepted Answer

Let I = ∫sin-1cos x dx=∫sin-1sinπ2-x dx       as, cosπ2-θ = sin θ=∫π2-x dx                     as, sin-1sin θ = θ=πx2 - x22 + C

CHAPTER : INTEGRALS NCERT SOLUTIONS : EXCERCISE : 7.3 : QUE 21 The que is solved in quite a lengthy way, cant it just be solved using : cosx = sin( 90-x).. ?? Please do tell ??

CHAPTER : INTEGRALS

NCERT SOLUTIONS : EXCERCISE : 7.3 : QUE 21

The que is solved in quite a lengthy way, cant it just be solved using :

cosx = sin( 90-x).. ?? Please do tell ??