Question

4 tan 45° – 2 cos 60°

Options

• 0

• 4 − `sqrt3`

• 3

• 2

Answer 1

3

Explanation:

4 tan 45° − 2 cos 60°

tan 45° = 1, so 4⋅1 = 4.

cos 60° = `1/2,  2⋅ 1/2 = 1`

4 − 1 = 3