Question

If tanA × tanB = tan45° then sin(A+B)​

Answer 1

Answer:

The answer is provided in the attachment.

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Answer 2

Answer: Sin (A+ B) = 1

Step-by-step explanation:

tan A × tan B = tan45°

tan A × tan B = 1

Therefore here A should be 30° and B should be 60° or vice a versa .

tan 30° . tan 60° = 1

1/√3 × √3 = 1

Therefore sin (30° + 60°) = sin 90° = 1

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