Question

1+tan² A
1+ cot² A
- ?​

Answer 1

Answer:

2(1+tan^2)

now multiply both

here we get

1+cot^2a+tan^2a+tan^2acot^2a               (here tan^2a.cot^2a=1)

therefore

2+2tan^2a

2(1+tan^2a)

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Answer 2

Step-by-step explanation:

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