Question

Angles A and B are complementary. If sin A = 4x + 10 and cos B = 2x + 16, what is the value of x? (1 point) 3 4 13 22

Answer 1

Answer: 3

Explanation:

The sine of an angle is equal to the cosine of its complement, so

`4x+10=2x+16\\\\2x+10=16\\\\2x=6\\ \\ x=3`