Math, asked by addharashiokar, 6 months ago

(sec A + tan A) (1 - sin A) =

Answers

Answered by bablu4288

1

Answer:

cosA

Step-by-step explanation:

(secA+tanA)(1-sinA) = (1/cosA + sinA/cosA)(1-sinA)

= [(1+sinA)/cosA](1-sinA)

= (1+sinA)(1-sinA)/cosA

= 1-sin^2A/cosA

= cos^2A/cosA

= cosA

hope this will helps you

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