(SecA + tanA) ( 1-sinA) is equal to
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Answer: This is ur answer
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Answer:
cosA
Step-by-step explanation:
(secA+tanA)(1-sinA)
=secA(1-sinA)+tanA(1-sinA)
=secA- secA sinA +tan A -tanA sinA
=secA -sinA × 1/cosA+tanA- sinA ×sinA/ cosA
=secA- tanA+tanA -sin^2A/cosA
=secA - sin^2A/ cos A
= 1/cosA - sin^2A / cosA
=(1-sin^2A)/ cosA
=cos^2A/cosA
=cosA
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