Question

The value of sin 23° − cos 67° is ______.

विकल्प

• 1

• 0

• cos 44°

• − cos 44°

Answer 1

The value of sin 23° − cos 67° is 0.

Explanation:

Using the complementary angle property,

cos 67° = sin(90° − 67°)

= sin 23°

Therefore, sin 23° − sin 23° = 0.