Question

tan²30° + tan²45° + tan²60°​

Answer 1

Answer:

Sorry

Step-by-step explanation:

Don't know the answer.But can you state the name of the book

Answer 2

Answer:7/3

Step-by-step explanation:

$1/\sqrt{3} + 1 + \sqrt{3} \\(1 + \sqrt{3} +3)/ \sqrt{3}\\(4 + \sqrt{3})/\sqrt{3} * \sqrt{3} /\sqrt{3}\\4+ 3 / 3\\=7/3$