Select TWO expressions from the list that have the same value. Question 27 options:

tan 67°

cos 23°

cos 67°

tan 23°

sin 23°

Just tell koda to adjust the number of shapes himself.

First step is to get rid of the square root. remember that a square root is the same as raising to the (1/2) power. see below: multiply exponents per exponent rules to get: remember you subtract exponents from the denominator and add exponents in the numerator so: simplify further: so a is the correct choice. if you don't understand this google exponent rules and it will you understand. look at the image results.