(secA + tanA ) (1 - sinA )
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Step-by-step explanation:
(secA + tanA) (1-SinA)
= secA+ tanA - Sec*SinA - Tan*SinA
SecA+ tanA- tanA -Sin^2/CosA
SecA+ Sin^2/CosA
1/CosA + Sin^2/CosA
= (1+Sin^2A)/CosA
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