Question

What is the complementary angle to 42°?

Answer 1

`color(blue)(48^@)`

Explanation:

Complementary angles add up to `90^@`

Let the unknown angle be `theta`, then:

`theta+42^@=90^@`

`theta=90^@-42^@=48^@`

The complimentary angle of `42^@` is `48^@`