Question

. (1 + tan^2 A)/(1 + cot^2 A) = *

2 points

(A) sec^2 A

(B) - 1

(C) cot^2 A

(D) tan^2 A

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Answer 1

Answer:

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Answer 2

Step-by-step explanation:

( 1 + tan^2A)/( 1 + Cot^2A)

sec^2A/Cosec^2A

1/ cos^2A / 1/ sin^2A

Sin^2A/Cos^2A

Tan^2A

I use the identity

Cosec^2x - Cot^2A = 1

Sec^2A - tan^2A = 1

Secx = 1/ cos

Cosecx = 1/sinx