Question

Simplify the expression by first substituting values from the table of exact values and then simplifying the resulting expression.

(tan 45° + tan 60°)2

Answer 1

tan45° = 1
tan60° = √3

(tan45° + tan60°)²
= (1+ √3)²
= 1 + 2√3 + 3
= 4 + 2√3 ← answer