Question

sin (60° + θ) – cos (30° – θ) = ?

पर्याय

• 2 sin θ

• 2 cos θ

• 0

• 1

Answer 1

0

Explanation:

Given expression = cos{90° – (60° + θ)} – cos(30° – θ) 

= {cos(30° – θ) – cos(30° – θ)}

= 0