Math, asked by moongully6418, 8 months ago

Prove that sec A − tan A = √ 1−sinA 1+sinA

Answers

Answered by amitsnh
0

Answer:

secA - tanA

1/cosA - sinA/cosA

(1 - sinA)/cosA

√(1 - sinA)^2/ cos^2A

√(1 - sinA)^2/(1- sin^2A)

√(1 - sinA)^2/(1 - sinA)(1 + sinA)

√(1 - sinA)/(1 + sinA)

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