Question

tan A =cot A , find A

Answer 1

tanA = cotA

tanA = 1/tanA

tan²A = 1

tanA = √1 = 1

A = 45° or π/4 rad

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Answer 2

Step-by-step explanation:

tanA = cotA

=> tanA = 1/tanA. [ cotA = 1/tanA]

=>tan²A = 1

=> tan²A = tan²45° [ tan45° = 1]

=> A = 45°

Therefore, required value of A is 45°

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