how to integrate it please help
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Heya
_______________________________
Put Cos-¹ x = z
=>
dz = -{ 1/√( 1 - x² ) } × dx
=>
dx = -√( 1 - x² ) dz
=>
integration -z dz
=>
- z² / 2 + c
Where c is called constant of integration.
=
- ( Cos-¹ x )² /2 + c
_______________________________
Put Cos-¹ x = z
=>
dz = -{ 1/√( 1 - x² ) } × dx
=>
dx = -√( 1 - x² ) dz
=>
integration -z dz
=>
- z² / 2 + c
Where c is called constant of integration.
=
- ( Cos-¹ x )² /2 + c
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