Question

tan2 30•+tan2 45•+tan 60•​

Answer 1

Step-by-step explanation:

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Answer 2

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2Tan30° × 2tan45° × tan60°

2 × 1/_/3 × 2 × 1 × _/3

2/_/3 × 2 × _/3

6 × 2 = 12