Math, asked by Praveen777, 9 months ago

tan(45+A)×tan(45-A)​

Answers

Answered by Anonymous
4

Answer:

1

Step-by-step explanation:

tan(45 + A)tan(45 - A)

=(1 + tanA)(1 - tanA)/( 1- tanA)(1+tanA)

= 1

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