Question

What is cos45° ? (1 point) Responses 2√2 the fraction with numerator square root of 2 and denominator 2 - no response given 1√2 the fraction with numerator square root of 1 and denominator 2 - incorrect 1 1 - no response given 3√2 the fraction with numerator square root of 3 and denominator 2 - no response given

Answer 1

The answer is 1/√2, which is the fraction with numerator square root of 1 and denominator 2.