Open Middle®
Directions: Using the following trig ratios, complete the following table:
cos 30º, sin 30º, cos 45º, sin 45º, tan 30º, cot 30º, sec 30º, csc 30º
Hint
Are there unit triangles you can use to help you?
Answer
There are many possible solutions. One example would be:
Source: Bryan Anderson
Students may need clarification that the max value in one row does not affect the min value in the next row. Some students will assume that the bottom left has to be more than tan45, but only 3 values are greater than 1, so that would be impossible.