Q:

For which acute angle are the sine of the angle and cosine of the angle equal? A. 30º B. 45º C. 60º D. 75º

Accepted Solution

A:
Answer: B 45º
Step-by-step explanation:If the sine and cosine are the same, the angles would need to be the same.  In an isosceles triangle, the angles are the same and therefore the sine and cosine would also be the same.