Question

if A+B = 90 then prove that tanA=cotB​

Answer 1

Answer:

Hello

Step-by-step explanation:

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Answer 2

Step-by-step explanation:

we know that,tan x=cot(90-x)

similarly,

1. A+B=90
2. A=90-B
3. tan A=tan(90-B). [applying tan on both sides]
4. tan A=cot B

HENCE PROVED

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