cosec A+1÷cosec A-1 under root -cosecA -1÷cosecA +1 under root
Answers
Answered by
2
Hi ,
*************************
We know that
Cosec² A - 1 = tan² A
**************************
√( Cosec A + 1 )/(Cosec A -1 ) -√(cosec A - 1 ) / ( Cosec A + 1 )
= [√(Cosec A + 1)² - ( Cosec A-1)²]/√[cosec ² A - 1² ]
= √ [4cosecA ]/√tan²A
= ( 2√cosecA ) / tanA
I hope this helps you.
:)
*************************
We know that
Cosec² A - 1 = tan² A
**************************
√( Cosec A + 1 )/(Cosec A -1 ) -√(cosec A - 1 ) / ( Cosec A + 1 )
= [√(Cosec A + 1)² - ( Cosec A-1)²]/√[cosec ² A - 1² ]
= √ [4cosecA ]/√tan²A
= ( 2√cosecA ) / tanA
I hope this helps you.
:)
Similar questions