proove that sec theta -1 by sec theta+1 is equal to sin theta by 1+ cos theta the whole square
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Step-by-step explanation:
The detailed explanation is shown in attached Figure.
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sec -1/sec +1
=1-cos/1+cos
=1-cos(cos+1)/1+cos(1+cos)
=1-cos square /(1+cos)whole square
=(sin/1+cos)whole sqaure
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