Find the value of sqrt((1 + sin A) / (1 - sin A)). – Trigonometry

Trigonometryhard · Past Paper

Find the value of sqrt((1 + sin A) / (1 - sin A)).

Asec A - tan A

Bsec A + tan A

Ccos A + sin A

Dsec^2 A

✓ Correct Answer: B — sec A + tan A

Multiply numerator and denominator by (1+sin A): sqrt((1+sin)^2 / cos^2) = (1+sin)/cos = sec A + tan A.

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