Math, asked by Iramkhokhar, 1 year ago

SecA-1/secA+1=1-cosA/1+cosA

Answers

Answered by MarkAsBrainliest
10
Answer :

Now,

L.H.S. = (secA - 1)/(secA + 1)

= (1/cosA - 1)/(1/cosA + 1), since secA = 1/cosA

= {(1 - cosA)/cosA}/{(1 + cosA)/cosA}

= (1 - cosA)/(1 + cosA)

= R.H.S. [Proved]

#MarkAsBrainliest
Answered by vsk96garg
7
Here is the solution along with attachment

Thanks
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