(1 – sin^2 A) (1 + tan^2 A) equals to _____(a) – Sec^2 θ Tan^2 θ(b) – Sec^2 θ Tan^2 θ(c) 1(d) 0I got this question during an interview.I'd like to ask this question from Trigonometric Identities in section Trigonometry of Mathematics – Class 10

(1 – sin^2 A) (1 + tan^2 A) equals to _____(a) – Sec^2 θ Tan^2 θ

1.	(1 – sin^2 A) (1 + tan^2 A) equals to _____(a) – Sec^2 θ Tan^2 θ(b) – Sec^2 θ Tan^2 θ(c) 1(d) 0I got this question during an interview.I'd like to ask this question from Trigonometric Identities in section Trigonometry of Mathematics – Class 10
Answer» RIGHT option is (c) 1 To ELABORATE: (1 – sin^2 A) (1 + tan^2 A) = cos^2 A . sec^2 A = cos^2 A . \(\frac {1}{cos^2 A}\) = 1

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