Question

What is the value of sine of begin argument 45 degrees end argument?

Question 1 options:

fraction numerator square root of 2 over denominator 2 end fraction


fraction numerator square root of 3 over denominator 2 end fraction


square root of 2


square root of 3

Answer 1

Option A

fraction numerator square root of 2 over denominator 2 end fraction

Explanation:

The answer can be obtained using a calculator.

It corresponds to a notable identity

sin (45) =
`√(2)` / 2

sin (45) = 0.7071

`√(2)` / 2 = 0.7071

Please see attached picture