Math, asked by saket32, 1 year ago

sec x-1/sec x+1=1-cos x/1+cos x

Answers

Answered by mysticd
26
Hi ,

LHS = ( secx - 1 )/( sec x + 1 )

= [ 1/cosx - 1 ]/[ 1/cosx + 1 ]

[ since sec x = 1/cos x ]

= [ (1 - cos x )/cos x ]/[ ( 1 + cosx )/cosx ]

= ( 1 - cosx )/ ( 1 + cos x )

= RHS

I hope this helps you.

: )
Answered by enweazokuharvey
1

Answer:

Step-by-step explanation:

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