Question

2) If(tan A+ 1) (tan A-1)=0 then find the value of A​

Answer 1

Answer:

Step-by-step explanation:

We will be using (a+b)(a-b) = a^2 -b^2

(tan A+ 1) (tan A-1)=0

tan^2 A - 1^2 = 0

tan^2 A = 1

tan A = 1 (Since square root of 1 is 1)

Since tan 45 = 1

Hence A = 45 degrees

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Answer 2

Answer:

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