Question

simplify: (sec A + tan A) (1 - sin A)

Answer 1

Answer:

here your answer.........

Answer 2

Answer:

Step-by-step explanation:

(secA+tanA)(1-sinA)

secA=1/cosA and tanA=sinA/cosA

=(1/cosa + sina/cosa )(1-sina)

taking lcm

{(1+sina)/cosa}(1-sinA)

using a²-b²=(a+b)(a-b)

=(1²-sin²A)/cosA

cos²A/cosA ;sin²a+cos²a=1

cosa ans