Question

Does anyone know the answer to this question?

Answer 1

Option C is correct.

Explanation:

We need to solve the equation:

tan 45° - 10 cos 60°

Finding value of tan 45° and cos 60° and solving:

tan 45° = 1 and

cos 60° = 0.5

= 1 - 10(0.5)

= 1- 5

= -4

So, Option C is correct.