1+SecA / SecA = Sin square A /1-cosA=2
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using
cosA = cos^2A/2 - sin^2A/2
cosA = cos^2A/2 - sin^2A/2
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NeelamG:
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Please check if the question is right.. as it can be equal to 2 only in one case yeah but cal be less that 2...
so check..
Else the expression have been proved equal...
Hope it helps.
Rate please...
Thanks.
so check..
Else the expression have been proved equal...
Hope it helps.
Rate please...
Thanks.
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