solve this plzz mate
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plz mark me on brain list OK
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Step-by-step explanation:
Given that:-
(SecA+TanA)(1-SinA)
=>(1/Cos A+Sin A/Cos A)(1-SinA)
=>(1+SinA)(1-SinA)/CosA
=>(1-Sin²A)/CosA
=>Cos²A/CosA
=>CosA×CosA/CosA
=>CosA
(SecA+TanA)(1-SinA)=Cos A
Used formulae:-
- SecA=1/CosA
- TanA=SinA/CosA
- Sin²A+Cos²A=1
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